An issue was discovered in RubyGems 2.6 and later through 3.0.2. Since Gem::UserInteraction#verbose calls say without escaping, escape sequence injection is possible.

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3945-1 advisory.

  - A Directory Traversal issue was discovered in RubyGems 2.7.6 and later through 3.0.2. Before making new     directories or touching files (which now include path-checking code for symlinks), it would delete the     target destination. If that destination was hidden behind a symlink, a malicious gem could delete     arbitrary files on the user's machine, presuming the attacker could guess at paths. Given how frequently     gem is run as sudo, and how predictable paths are on modern systems (/tmp, /usr, etc.), this could likely     lead to data loss or an unusable system. (CVE-2019-8320)

  - An issue was discovered in RubyGems 2.6 and later through 3.0.2. Since Gem::UserInteraction#verbose calls     say without escaping, escape sequence injection is possible. (CVE-2019-8321)

  - An issue was discovered in RubyGems 2.6 and later through 3.0.2. The gem owner command outputs the     contents of the API response directly to stdout. Therefore, if the response is crafted, escape sequence     injection may occur. (CVE-2019-8322)

  - An issue was discovered in RubyGems 2.6 and later through 3.0.2. Gem::GemcutterUtilities#with_response may     output the API response to stdout as it is. Therefore, if the API side modifies the response, escape     sequence injection may occur. (CVE-2019-8323)

  - An issue was discovered in RubyGems 2.6 and later through 3.0.2. A crafted gem with a multi-line name is     not handled correctly. Therefore, an attacker could inject arbitrary code to the stub line of gemspec,     which is eval-ed by code in ensure_loadable_spec during the preinstall check. (CVE-2019-8324)

  - An issue was discovered in RubyGems 2.6 and later through 3.0.2. Since Gem::CommandManager#run calls     alert_error without escaping, escape sequence injection is possible. (There are many ways to cause an     error.) (CVE-2019-8325)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Several vulnerabilities were fixed in JRuby, a 100% pure-Java implementation of Ruby.

CVE-2017-17742 CVE-2019-16254

HTTP Response Splitting attacks in the HTTP server of WEBrick.

CVE-2019-16201

Regular Expression Denial of Service vulnerability of WEBrick's Digest access authentication.

CVE-2019-8320

Delete directory using symlink when decompressing tar.

CVE-2019-8321

Escape sequence injection vulnerability in verbose.

CVE-2019-8322

Escape sequence injection vulnerability in gem owner.

CVE-2019-8323

Escape sequence injection vulnerability in API response handling.

CVE-2019-8324

Installing a malicious gem may lead to arbitrary code execution.

CVE-2019-8325

Escape sequence injection vulnerability in errors.

CVE-2019-16255

Code injection vulnerability of Shell#[] and Shell#test.

For Debian 9 stretch, these problems have been fixed in version 1.7.26-1+deb9u2.

We recommend that you upgrade your jruby packages.

For the detailed security status of jruby please refer to its security tracker page at: https://security-tracker.debian.org/tracker/jruby

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:2769 advisory.

  - ruby: Tainted flags are not propagated in Array#pack and String#unpack with some directives     (CVE-2018-16396)

  - rubygems: Escape sequence injection vulnerability in verbose (CVE-2019-8321)

  - rubygems: Escape sequence injection vulnerability in gem owner (CVE-2019-8322)

  - rubygems: Escape sequence injection vulnerability in API response handling (CVE-2019-8323)

  - rubygems: Installing a malicious gem may lead to arbitrary code execution (CVE-2019-8324)

  - rubygems: Escape sequence injection vulnerability in errors (CVE-2019-8325)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

This update for ruby2.1 fixes the following issues :

Security issues fixed :

CVE-2015-9096: Fixed an SMTP command injection via CRLFsequences in a RCPT TO or MAIL FROM command (bsc#1043983).

CVE-2016-7798: Fixed an IV Reuse in GCM Mode (bsc#1055265).

CVE-2017-0898: Fixed a buffer underrun vulnerability in Kernel.sprintf (bsc#1058755).

CVE-2017-0899: Fixed an issue with malicious gem specifications, insufficient sanitation when printing gem specifications could have included terminal characters (bsc#1056286).

CVE-2017-0900: Fixed an issue with malicious gem specifications, the query command could have led to a denial of service attack against clients (bsc#1056286).

CVE-2017-0901: Fixed an issue with malicious gem specifications, potentially overwriting arbitrary files on the client system (bsc#1056286).

CVE-2017-0902: Fixed an issue with malicious gem specifications, that could have enabled MITM attacks against clients (bsc#1056286).

CVE-2017-0903: Fixed an unsafe object deserialization vulnerability (bsc#1062452).

CVE-2017-9228: Fixed a heap out-of-bounds write in bitset_set_range() during regex compilation (bsc#1069607).

CVE-2017-9229: Fixed an invalid pointer dereference in left_adjust_char_head() in oniguruma (bsc#1069632).

CVE-2017-10784: Fixed an escape sequence injection vulnerability in the Basic authentication of WEBrick (bsc#1058754).

CVE-2017-14033: Fixed a buffer underrun vulnerability in OpenSSL ASN1 decode (bsc#1058757).

CVE-2017-14064: Fixed an arbitrary memory exposure during a JSON.generate call (bsc#1056782).

CVE-2017-17405: Fixed a command injection vulnerability in Net::FTP (bsc#1073002).

CVE-2017-17742: Fixed an HTTP response splitting issue in WEBrick (bsc#1087434).

CVE-2017-17790: Fixed a command injection in lib/resolv.rb:lazy_initialize() (bsc#1078782).

CVE-2018-6914: Fixed an unintentional file and directory creation with directory traversal in tempfile and tmpdir (bsc#1087441).

CVE-2018-8777: Fixed a potential DoS caused by large requests in WEBrick (bsc#1087436).

CVE-2018-8778: Fixed a buffer under-read in String#unpack (bsc#1087433).

CVE-2018-8779: Fixed an unintentional socket creation by poisoned NUL byte in UNIXServer and UNIXSocket (bsc#1087440).

CVE-2018-8780: Fixed an unintentional directory traversal by poisoned NUL byte in Dir (bsc#1087437).

CVE-2018-16395: Fixed an issue with OpenSSL::X509::Name equality checking (bsc#1112530).

CVE-2018-16396: Fixed an issue with tainted string handling, where the flag was not propagated in Array#pack and String#unpack with some directives (bsc#1112532).

CVE-2018-1000073: Fixed a path traversal issue (bsc#1082007).

CVE-2018-1000074: Fixed an unsafe object deserialization vulnerability in gem owner, allowing arbitrary code execution with specially crafted YAML (bsc#1082008).

CVE-2018-1000075: Fixed an infinite loop vulnerability due to negative size in tar header causes Denial of Service (bsc#1082014).

CVE-2018-1000076: Fixed an improper verification of signatures in tarballs (bsc#1082009).

CVE-2018-1000077: Fixed an improper URL validation in the homepage attribute of ruby gems (bsc#1082010).

CVE-2018-1000078: Fixed a XSS vulnerability in the homepage attribute when displayed via gem server (bsc#1082011).

CVE-2018-1000079: Fixed a path traversal issue during gem installation allows to write to arbitrary filesystem locations (bsc#1082058).

CVE-2019-8320: Fixed a directory traversal issue when decompressing tar files (bsc#1130627).

CVE-2019-8321: Fixed an escape sequence injection vulnerability in verbose (bsc#1130623).

CVE-2019-8322: Fixed an escape sequence injection vulnerability in gem owner (bsc#1130622).

CVE-2019-8323: Fixed an escape sequence injection vulnerability in API response handling (bsc#1130620).

CVE-2019-8324: Fixed an issue with malicious gems that may have led to arbitrary code execution (bsc#1130617).

CVE-2019-8325: Fixed an escape sequence injection vulnerability in errors (bsc#1130611).

CVE-2019-15845: Fixed a NUL injection vulnerability in File.fnmatch and File.fnmatch? (bsc#1152994).

CVE-2019-16201: Fixed a regular expression denial of service vulnerability in WEBrick's digest access authentication (bsc#1152995).

CVE-2019-16254: Fixed an HTTP response splitting vulnerability in WEBrick (bsc#1152992).

CVE-2019-16255: Fixed a code injection vulnerability in Shell#[] and Shell#test (bsc#1152990).

CVE-2020-10663: Fixed an unsafe object creation vulnerability in JSON (bsc#1171517).

Non-security issue fixed :

Add conflicts to libruby to make sure ruby and ruby-stdlib are also updated when libruby is updated (bsc#1048072).

Also yast2-ruby-bindings on SLES 12 SP2 LTSS was updated to handle the updated ruby interpreter. (bsc#1172275)

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the ruby packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

  - An issue was discovered in RubyGems 2.6 and later     through 3.0.2. Since Gem::UserInteraction#verbose calls     say without escaping, escape sequence injection is     possible.(CVE-2019-8321)

  - An issue was discovered in Oniguruma 6.2.0, as used in     Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP     through 7.1.5. A SIGSEGV occurs in     left_adjust_char_head() during regular expression     compilation. Invalid handling of reg->dmax in     forward_search_range() could result in an invalid     pointer dereference, normally as an immediate     denial-of-service condition.(CVE-2017-9229)

  - An issue was discovered in Oniguruma 6.2.0, as used in     Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP     through 7.1.5. A stack out-of-bounds read occurs in     mbc_enc_len() during regular expression searching.
    Invalid handling of reg->dmin in forward_search_range()     could result in an invalid pointer dereference, as an     out-of-bounds read from a stack buffer.(CVE-2017-9227)

  - An issue was discovered in Oniguruma 6.2.0, as used in     Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP     through 7.1.5. A heap out-of-bounds write occurs in     bitset_set_range() during regular expression     compilation due to an uninitialized variable from an     incorrect state transition. An incorrect state     transition in parse_char_class() could create an     execution path that leaves a critical local variable     uninitialized until it's used as an index, resulting in     an out-of-bounds write memory     corruption.(CVE-2017-9228)

  - An issue was discovered in Oniguruma 6.2.0, as used in     Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP     through 7.1.5. A stack out-of-bounds read occurs in     match_at() during regular expression searching. A     logical error involving order of validation and access     in match_at() could result in an out-of-bounds read     from a stack buffer.(CVE-2017-9224)

  - A SMTP command injection flaw was found in the way     Ruby's Net::SMTP module handled CRLF sequences in     certain SMTP commands. An attacker could potentially     use this flaw to inject SMTP commands in a SMTP session     in order to facilitate phishing attacks or spam     campaigns.(CVE-2015-9096)

  - Constructed ASN.1 types with a recursive definition     (such as can be found in PKCS7) could eventually exceed     the stack given malicious input with excessive     recursion. This could result in a Denial Of Service     attack. There are no such structures used within     SSL/TLS that come from untrusted sources so this is     considered safe. Fixed in OpenSSL 1.1.0h (Affected     1.1.0-1.1.0g). Fixed in OpenSSL 1.0.2o (Affected     1.0.2b-1.0.2n).(CVE-2016-7798)

  - RubyGems version Ruby 2.2 series: 2.2.9 and earlier,     Ruby 2.3 series: 2.3.6 and earlier, Ruby 2.4 series:
    2.4.3 and earlier, Ruby 2.5 series: 2.5.0 and earlier,     prior to trunk revision 62422 contains a Directory     Traversal vulnerability in gem installation that can     result in the gem could write to arbitrary filesystem     locations during installation. This attack appear to be     exploitable via the victim must install a malicious     gem. This vulnerability appears to have been fixed in     2.7.6.(CVE-2018-1000079)

  - RubyGems version Ruby 2.2 series: 2.2.9 and earlier,     Ruby 2.3 series: 2.3.6 and earlier, Ruby 2.4 series:
    2.4.3 and earlier, Ruby 2.5 series: 2.5.0 and earlier,     prior to trunk revision 62422 contains a Cross Site     Scripting (XSS) vulnerability in gem server display of     homepage attribute that can result in XSS. This attack     appear to be exploitable via the victim must browse to     a malicious gem on a vulnerable gem server. This     vulnerability appears to have been fixed in     2.7.6.(CVE-2018-1000078)

  - RubyGems version Ruby 2.2 series: 2.2.9 and earlier,     Ruby 2.3 series: 2.3.6 and earlier, Ruby 2.4 series:
    2.4.3 and earlier, Ruby 2.5 series: 2.5.0 and earlier,     prior to trunk revision 62422 contains a Improper Input     Validation vulnerability in ruby gems specification     homepage attribute that can result in a malicious gem     could set an invalid homepage URL. This vulnerability     appears to have been fixed in 2.7.6.(CVE-2018-1000077)

  - RubyGems version Ruby 2.2 series: 2.2.9 and earlier,     Ruby 2.3 series: 2.3.6 and earlier, Ruby 2.4 series:
    2.4.3 and earlier, Ruby 2.5 series: 2.5.0 and earlier,     prior to trunk revision 62422 contains a     Deserialization of Untrusted Data vulnerability in     owner command that can result in code execution. This     attack appear to be exploitable via victim must run the     `gem owner` command on a gem with a specially crafted     YAML file. This vulnerability appears to have been     fixed in 2.7.6.(CVE-2018-1000074)

  - RubyGems version Ruby 2.2 series: 2.2.9 and earlier,     Ruby 2.3 series: 2.3.6 and earlier, Ruby 2.4 series:
    2.4.3 and earlier, Ruby 2.5 series: 2.5.0 and earlier,     prior to trunk revision 62422 contains a Directory     Traversal vulnerability in install_location function of     package.rb that can result in path traversal when     writing to a symlinked basedir outside of the root.
    This vulnerability appears to have been fixed in     2.7.6.(CVE-2018-1000073)

  - Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before     2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1 allows an     HTTP Response Splitting attack. An attacker can inject     a crafted key and value into an HTTP response for the     HTTP server of WEBrick.(CVE-2017-17742)

  - Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x     through 2.6.4 allows HTTP Response Splitting. If a     program using WEBrick inserts untrusted input into the     response header, an attacker can exploit it to insert a     newline character to split a header, and inject     malicious content to deceive clients. NOTE: this issue     exists because of an incomplete fix for CVE-2017-17742,     which addressed the CRLF vector, but did not address an     isolated CR or an isolated LF.(CVE-2019-16254)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the version of the ruby packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerability :

  - An issue was discovered in RubyGems 2.6 and later     through 3.0.2. Since Gem::UserInteraction#verbose calls     say without escaping, escape sequence injection is     possible.(CVE-2019-8321)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the version of the ruby packages installed, the EulerOS installation on the remote host is affected by the following vulnerability :

  - An issue was discovered in RubyGems 2.6 and later     through 3.0.2. Since Gem::UserInteraction#verbose calls     say without escaping, escape sequence injection is     possible.(CVE-2019-8321)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

An issue was discovered in RubyGems. The gem owner command outputs the contents of the API response directly to stdout. Therefore, if the response is crafted, escape sequence injection may occur.(CVE-2019-8322)

An issue was discovered in RubyGems.
Gem::GemcutterUtilities#with_response may output the API response to stdout as it is. Therefore, if the API side modifies the response, escape sequence injection may occur.(CVE-2019-8323)

An issue was discovered in RubyGems. Since Gem::UserInteraction#verbose calls say without escaping, escape sequence injection is possible.(CVE-2019-8321)

A Directory Traversal issue was discovered in RubyGems. Before making new directories or touching files (which now include path-checking code for symlinks), it would delete the target destination. If that destination was hidden behind a symlink, a malicious gem could delete arbitrary files on the user's machine, presuming the attacker could guess at paths. Given how frequently gem is run as sudo, and how predictable paths are on modern systems (/tmp, /usr, etc.), this could likely lead to data loss or an unusable system.(CVE-2019-8320)

An issue was discovered in RubyGems. A crafted gem with a multi-line name is not handled correctly. Therefore, an attacker could inject arbitrary code to the stub line of gemspec, which is eval-ed by code in ensure_loadable_spec during the preinstall check.(CVE-2019-8324)

An issue was discovered in RubyGems. Since Gem::CommandManager#run calls alert_error without escaping, escape sequence injection is possible. (There are many ways to cause an error.)(CVE-2019-8325)

This update for ruby2.5 and ruby-bundled-gems-rpmhelper fixes the following issues :

Changes in ruby2.5 :

Update to 2.5.5 and 2.5.4 :

https://www.ruby-lang.org/en/news/2019/03/15/ruby-2-5-5-released/ https://www.ruby-lang.org/en/news/2019/03/13/ruby-2-5-4-released/

Security issues fixed :

  - CVE-2019-8320: Delete directory using symlink when     decompressing tar (bsc#1130627)

  - CVE-2019-8321: Escape sequence injection vulnerability     in verbose (bsc#1130623)

  - CVE-2019-8322: Escape sequence injection vulnerability     in gem owner (bsc#1130622)

  - CVE-2019-8323: Escape sequence injection vulnerability     in API response handling (bsc#1130620)

  - CVE-2019-8324: Installing a malicious gem may lead to     arbitrary code execution (bsc#1130617)

  - CVE-2019-8325: Escape sequence injection vulnerability     in errors (bsc#1130611)

Ruby 2.5 was updated to 2.5.3 :

This release includes some bug fixes and some security fixes.

Security issues fixed :

  - CVE-2018-16396: Tainted flags are not propagated in     Array#pack and String#unpack with some directives     (bsc#1112532)

  - CVE-2018-16395: OpenSSL::X509::Name equality check does     not work correctly (bsc#1112530)

Ruby 2.5 was updated to 2.5.1 :

This release includes some bug fixes and some security fixes.

Security issues fixed :

  - CVE-2017-17742: HTTP response splitting in WEBrick     (bsc#1087434)

  - CVE-2018-6914: Unintentional file and directory creation     with directory traversal in tempfile and tmpdir     (bsc#1087441)

  - CVE-2018-8777: DoS by large request in WEBrick     (bsc#1087436)

  - CVE-2018-8778: Buffer under-read in String#unpack     (bsc#1087433)

  - CVE-2018-8779: Unintentional socket creation by poisoned     NUL byte in UNIXServer and UNIXSocket (bsc#1087440)

  - CVE-2018-8780: Unintentional directory traversal by     poisoned NUL byte in Dir (bsc#1087437)

  - Multiple vulnerabilities in RubyGems were fixed :

  - CVE-2018-1000079: Fixed path traversal issue during gem     installation allows to write to arbitrary filesystem     locations (bsc#1082058)

  - CVE-2018-1000075: Fixed infinite loop vulnerability due     to negative size in tar header causes Denial of Service     (bsc#1082014)

  - CVE-2018-1000078: Fixed XSS vulnerability in homepage     attribute when displayed via gem server (bsc#1082011)

  - CVE-2018-1000077: Fixed that missing URL validation on     spec home attribute allows malicious gem to set an     invalid homepage URL (bsc#1082010)

  - CVE-2018-1000076: Fixed improper verification of     signatures in tarball allows to install mis-signed gem     (bsc#1082009)

  - CVE-2018-1000074: Fixed unsafe Object Deserialization     Vulnerability in gem owner allowing arbitrary code     execution on specially crafted YAML (bsc#1082008)

  - CVE-2018-1000073: Fixed path traversal when writing to a     symlinked basedir outside of the root (bsc#1082007)

Other changes :

  - Fixed Net::POPMail methods modify frozen literal when     using default arg

  - ruby: change over of the Japanese Era to the new emperor     May 1st 2019 (bsc#1133790)

  - build with PIE support (bsc#1130028)

Changes in ruby-bundled-gems-rpmhelper :

  - Add a new helper for bundled ruby gems.

This update was imported from the SUSE:SLE-15:Update update project.

This update for ruby2.5 and ruby-bundled-gems-rpmhelper fixes the following issues :

Changes in ruby2.5 :

Update to 2.5.5 and 2.5.4 :

https://www.ruby-lang.org/en/news/2019/03/15/ruby-2-5-5-released/ https://www.ruby-lang.org/en/news/2019/03/13/ruby-2-5-4-released/

Security issues fixed :

CVE-2019-8320: Delete directory using symlink when decompressing tar (bsc#1130627)

CVE-2019-8321: Escape sequence injection vulnerability in verbose (bsc#1130623)

CVE-2019-8322: Escape sequence injection vulnerability in gem owner (bsc#1130622)

CVE-2019-8323: Escape sequence injection vulnerability in API response handling (bsc#1130620)

CVE-2019-8324: Installing a malicious gem may lead to arbitrary code execution (bsc#1130617)

CVE-2019-8325: Escape sequence injection vulnerability in errors (bsc#1130611)

Ruby 2.5 was updated to 2.5.3 :

This release includes some bug fixes and some security fixes.

Security issues fixed: CVE-2018-16396: Tainted flags are not propagated in Array#pack and String#unpack with some directives (bsc#1112532)

CVE-2018-16395: OpenSSL::X509::Name equality check does not work correctly (bsc#1112530)

Ruby 2.5 was updated to 2.5.1 :

This release includes some bug fixes and some security fixes.

Security issues fixed: CVE-2017-17742: HTTP response splitting in WEBrick (bsc#1087434)

CVE-2018-6914: Unintentional file and directory creation with directory traversal in tempfile and tmpdir (bsc#1087441)

CVE-2018-8777: DoS by large request in WEBrick (bsc#1087436)

CVE-2018-8778: Buffer under-read in String#unpack (bsc#1087433)

CVE-2018-8779: Unintentional socket creation by poisoned NUL byte in UNIXServer and UNIXSocket (bsc#1087440)

CVE-2018-8780: Unintentional directory traversal by poisoned NUL byte in Dir (bsc#1087437)

Multiple vulnerabilities in RubyGems were fixed :

  - CVE-2018-1000079: Fixed path traversal issue during gem     installation allows to write to arbitrary filesystem     locations (bsc#1082058)

  - CVE-2018-1000075: Fixed infinite loop vulnerability due     to negative size in tar header causes Denial of Service     (bsc#1082014)

  - CVE-2018-1000078: Fixed XSS vulnerability in homepage     attribute when displayed via gem server (bsc#1082011)

  - CVE-2018-1000077: Fixed that missing URL validation on     spec home attribute allows malicious gem to set an     invalid homepage URL (bsc#1082010)

  - CVE-2018-1000076: Fixed improper verification of     signatures in tarball allows to install mis-signed gem     (bsc#1082009)

  - CVE-2018-1000074: Fixed unsafe Object Deserialization     Vulnerability in gem owner allowing arbitrary code     execution on specially crafted YAML (bsc#1082008)

  - CVE-2018-1000073: Fixed path traversal when writing to a     symlinked basedir outside of the root (bsc#1082007)

Other changes: Fixed Net::POPMail methods modify frozen literal when using default arg

ruby: change over of the Japanese Era to the new emperor May 1st 2019 (bsc#1133790)

build with PIE support (bsc#1130028)

Changes in ruby-bundled-gems-rpmhelper: Add a new helper for bundled ruby gems.

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Multiple vulnerabilities have been discovered in jruby, Java implementation of the Ruby programming language.

CVE-2018-1000074

Deserialization of Untrusted Data vulnerability in owner command that can result in code execution. This attack appear to be exploitable via victim must run the `gem owner` command on a gem with a specially crafted YAML file

CVE-2018-1000075

an infinite loop caused by negative size vulnerability in ruby gem package tar header that can result in a negative size could cause an infinite loop

CVE-2018-1000076

Improper Verification of Cryptographic Signature vulnerability in package.rb that can result in a mis-signed gem could be installed, as the tarball would contain multiple gem signatures.

CVE-2018-1000077

Improper Input Validation vulnerability in ruby gems specification homepage attribute that can result in a malicious gem could set an invalid homepage URL

CVE-2018-1000078

Cross Site Scripting (XSS) vulnerability in gem server display of homepage attribute that can result in XSS. This attack appear to be exploitable via the victim must browse to a malicious gem on a vulnerable gem server

CVE-2019-8321

Gem::UserInteraction#verbose calls say without escaping, escape sequence injection is possible

CVE-2019-8322

The gem owner command outputs the contents of the API response directly to stdout. Therefore, if the response is crafted, escape sequence injection may occur

CVE-2019-8323

Gem::GemcutterUtilities#with_response may output the API response to stdout as it is. Therefore, if the API side modifies the response, escape sequence injection may occur.

CVE-2019-8324

A crafted gem with a multi-line name is not handled correctly.
Therefore, an attacker could inject arbitrary code to the stub line of gemspec

CVE-2019-8325

Gem::CommandManager#run calls alert_error without escaping, escape sequence injection is possible. (There are many ways to cause an error.)

For Debian 8 'Jessie', these problems have been fixed in version 1.5.6-9+deb8u1.

We recommend that you upgrade your jruby packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Rebase to latest minor version fixes CVE-2019-8320 CVE-2019-8321 CVE-2019-8322 CVE-2019-8323 CVE-2019-8324 CVE-2019-8325

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Several vulnerabilities have been discovered in the Rubygems included in the interpreter for the Ruby language, which may result in denial of service or the execution of arbitrary code.

RubyGems Security Advisories :

CVE-2019-8320: Delete directory using symlink when decompressing tar

CVE-2019-8321: Escape sequence injection vulnerability in 'verbose'

CVE-2019-8322: Escape sequence injection vulnerability in 'gem owner'

CVE-2019-8323: Escape sequence injection vulnerability in API response handling

CVE-2019-8324: Installing a malicious gem may lead to arbitrary code execution

CVE-2019-8325: Escape sequence injection vulnerability in errors

ID	Name	Product	Family	Severity
183623	Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS : Ruby vulnerabilities (USN-3945-1)	Nessus	Ubuntu Local Security Checks	high
139628	Debian DLA-2330-1 : jruby security update	Nessus	Debian Local Security Checks	high
137897	RHEL 7 : ruby (RHSA-2020:2769)	Nessus	Red Hat Local Security Checks	high
137599	SUSE SLES12 Security Update : ruby2.1 (SUSE-SU-2020:1570-1)	Nessus	SuSE Local Security Checks	critical
135605	EulerOS Virtualization 3.0.2.2 : ruby (EulerOS-SA-2020-1443)	Nessus	Huawei Local Security Checks	critical
128935	EulerOS Virtualization for ARM 64 3.0.2.0 : ruby (EulerOS-SA-2019-1932)	Nessus	Huawei Local Security Checks	high
128818	EulerOS 2.0 SP5 : ruby (EulerOS-SA-2019-1895)	Nessus	Huawei Local Security Checks	high
127811	Amazon Linux AMI : ruby20 / ruby21, ruby24 (ALAS-2019-1255)	Nessus	Amazon Linux Local Security Checks	high
126904	openSUSE Security Update : ruby-bundled-gems-rpmhelper / ruby2.5 (openSUSE-2019-1771)	Nessus	SuSE Local Security Checks	critical
126617	SUSE SLED15 / SLES15 Security Update : ruby-bundled-gems-rpmhelper, ruby2.5 (SUSE-SU-2019:1804-1)	Nessus	SuSE Local Security Checks	critical
125297	Debian DLA-1796-1 : jruby security update	Nessus	Debian Local Security Checks	critical
124728	Fedora 28 : ruby (2019-feac6674b7)	Nessus	Fedora Local Security Checks	high
124574	Fedora 29 : ruby (2019-a155364f3c)	Nessus	Fedora Local Security Checks	high
124096	Debian DSA-4433-1 : ruby2.3 - security update	Nessus	Debian Local Security Checks	high
122883	FreeBSD : RubyGems -- multiple vulnerabilities (27b12d04-4722-11e9-8b7c-b5e01141761f)	Nessus	FreeBSD Local Security Checks	high

Detections

Analytics

CVE-2019-8321

high

Tenable Plugins

high

high

high

critical

critical

high

high

high

critical

critical

critical

high

high

high

high