DL::dlopen in Ruby 1.8, 1.9.0, 1.9.2, 1.9.3, 2.0.0 before patchlevel 648, and 2.1 before 2.1.8 opens libraries with tainted names.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - DL::dlopen in Ruby 1.8, 1.9.0, 1.9.2, 1.9.3, 2.0.0 before patchlevel 648, and 2.1 before 2.1.8 opens     libraries with tainted names. (CVE-2009-5147)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote Redhat Enterprise Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:0583 advisory.

    Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text     files and to perform system management tasks.

    The following packages have been upgraded to a later upstream version: rh-ruby22-ruby (2.2.9), rh-     ruby22-rubygems (2.4.5.4), rh-ruby22-rubygem-psych (2.0.8.1), rh-ruby22-rubygem-json (1.8.1.1).
    (BZ#1549646)

    Security Fix(es):

    * ruby: Command injection vulnerability in Net::FTP (CVE-2017-17405)

    * ruby: Buffer underrun vulnerability in Kernel.sprintf (CVE-2017-0898)

    * rubygems: Arbitrary file overwrite due to incorrect validation of specification name (CVE-2017-0901)

    * rubygems: DNS hijacking vulnerability (CVE-2017-0902)

    * rubygems: Unsafe object deserialization through YAML formatted gem specifications (CVE-2017-0903)

    * ruby: Escape sequence injection vulnerability in the Basic authentication of WEBrick (CVE-2017-10784)

    * ruby: Buffer underrun in OpenSSL ASN1 decode (CVE-2017-14033)

    * ruby: DL::dlopen could open a library with tainted library name (CVE-2009-5147, CVE-2015-7551)

    * rubygems: Escape sequence in the summary field of gemspec (CVE-2017-0899)

    * rubygems: No size limit in summary length of gem spec (CVE-2017-0900)

    * ruby: Arbitrary heap exposure during a JSON.generate call (CVE-2017-14064)

    * ruby: Command injection in lib/resolv.rb:lazy_initialize() allows arbitrary code execution     (CVE-2017-17790)

    For more details about the security issue(s), including the impact, a CVSS score, and other related     information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3365-1 advisory.

    It was discovered that Ruby DL::dlopen incorrectly handled opening libraries. An attacker could possibly     use this issue to open libraries with tainted names. This issue only applied to Ubuntu 14.04 LTS.
    (CVE-2009-5147)

    Tony Arcieri, Jeffrey Walton, and Steffan Ullrich discovered that the Ruby OpenSSL extension incorrectly     handled hostname wildcard matching. This issue only applied to Ubuntu 14.04 LTS. (CVE-2015-1855)

    Christian Hofstaedtler discovered that Ruby Fiddle::Handle incorrectly handled certain crafted strings. An     attacker could use this issue to cause a denial of service, or possibly execute arbitrary code. This issue     only applied to Ubuntu 14.04 LTS. (CVE-2015-7551)

    It was discovered that Ruby Net::SMTP incorrectly handled CRLF sequences. A remote attacker could possibly     use this issue to inject SMTP commands. (CVE-2015-9096)

    Marcin Noga discovered that Ruby incorrectly handled certain arguments in a TclTkIp class method. An     attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 14.04     LTS. (CVE-2016-2337)

    It was discovered that Ruby Fiddle::Function.new incorrectly handled certain arguments. An attacker could     possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 14.04 LTS.
    (CVE-2016-2339)

    It was discovered that Ruby incorrectly handled the initialization vector (IV) in GCM mode. An attacker     could possibly use this issue to bypass encryption. (CVE-2016-7798)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

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

Update to Ruby 2.2.4 including security fix for CVE-2009-5147 and CVE-2015-7551.

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

'sheepman' fixed a vulnerability in Ruby 1.9.1: DL::dlopen could open a library with tainted name even if $SAFE > 0.

For Debian 6 'Squeeze', this issue has been fixed in ruby1.9.1 1.9.2.0-2+deb6u7

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.

'sheepman' fixed a vulnerability in Ruby 1.8: DL::dlopen could open a library with tainted name even if $SAFE > 0.

For Debian 6 'Squeeze', this issue has been fixed in ruby1.8 1.8.7.302-2squeeze5.

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.

ID	Name	Product	Family	Severity
217112	Linux Distros Unpatched Vulnerability : CVE-2009-5147	Nessus	Misc.	high
194057	RHEL 6 / 7 : rh-ruby22-ruby (RHSA-2018:0583)	Nessus	Red Hat Local Security Checks	critical
101974	Ubuntu 14.04 LTS / 16.04 LTS : Ruby vulnerabilities (USN-3365-1)	Nessus	Ubuntu Local Security Checks	critical
89454	Fedora 23 : ruby-2.2.4-47.fc23 (2015-eef21b972e)	Nessus	Fedora Local Security Checks	high
89397	Fedora 22 : ruby-2.2.4-47.fc22 (2015-c4409eb73a)	Nessus	Fedora Local Security Checks	high
85655	Debian DLA-300-1 : ruby1.9.1 security update	Nessus	Debian Local Security Checks	high
85654	Debian DLA-299-1 : ruby1.8 security update	Nessus	Debian Local Security Checks	high

Detections

Analytics

CVE-2009-5147

high

Tenable Plugins

high

critical

critical

high

high

high

high