Scientific Linux Security Update : ruby on SL7.x x86_64 (20190806)

high Nessus Plugin ID 128260
New! Vulnerability Priority Rating (VPR)

Tenable calculates a dynamic VPR for every vulnerability. VPR combines vulnerability information with threat intelligence and machine learning algorithms to predict which vulnerabilities are most likely to be exploited in attacks. Read more about what VPR is and how it is different from CVSS.

VPR Score: 6


The remote Scientific Linux host is missing one or more security updates.


Security Fix(es) :

- ruby: HTTP response splitting in WEBrick (CVE-2017-17742)

- ruby: DoS by large request in WEBrick (CVE-2018-8777)

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

- ruby: Unintentional directory traversal by poisoned NULL byte in Dir (CVE-2018-8780)

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

- rubygems: Path traversal when writing to a symlinked basedir outside of the root (CVE-2018-1000073)

- rubygems: Unsafe Object Deserialization Vulnerability in gem owner allowing arbitrary code execution on specially crafted YAML (CVE-2018-1000074)

- rubygems: Improper verification of signatures in tarball allows to install mis-signed gem (CVE-2018-1000076)

- rubygems: Missing URL validation on spec home attribute allows malicious gem to set an invalid homepage URL (CVE-2018-1000077)

- rubygems: XSS vulnerability in homepage attribute when displayed via gem server (CVE-2018-1000078)

- rubygems: Path traversal issue during gem installation allows to write to arbitrary filesystem locations (CVE-2018-1000079)

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

- ruby: Unintentional socket creation by poisoned NULL byte in UNIXServer and UNIXSocket (CVE-2018-8779)

- rubygems: Infinite loop vulnerability due to negative size in tar header causes Denial of Service (CVE-2018-1000075)


Update the affected packages.

See Also

Plugin Details

Severity: High

ID: 128260

File Name: sl_20190806_ruby_on_SL7_x.nasl

Version: 1.3

Type: local

Agent: unix

Published: 8/27/2019

Updated: 2/24/2020

Dependencies: ssh_get_info.nasl

Risk Information

Risk Factor: High

VPR Score: 6

CVSS Score Source: CVE-2018-8780

CVSS v2.0

Base Score: 7.5

Temporal Score: 5.5

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 9.1

Temporal Score: 7.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:fermilab:scientific_linux:ruby, p-cpe:/a:fermilab:scientific_linux:ruby-debuginfo, p-cpe:/a:fermilab:scientific_linux:ruby-devel, p-cpe:/a:fermilab:scientific_linux:ruby-doc, p-cpe:/a:fermilab:scientific_linux:ruby-irb, p-cpe:/a:fermilab:scientific_linux:ruby-libs, p-cpe:/a:fermilab:scientific_linux:ruby-tcltk, p-cpe:/a:fermilab:scientific_linux:rubygem-bigdecimal, p-cpe:/a:fermilab:scientific_linux:rubygem-io-console, p-cpe:/a:fermilab:scientific_linux:rubygem-json, p-cpe:/a:fermilab:scientific_linux:rubygem-minitest, p-cpe:/a:fermilab:scientific_linux:rubygem-psych, p-cpe:/a:fermilab:scientific_linux:rubygem-rake, p-cpe:/a:fermilab:scientific_linux:rubygem-rdoc, p-cpe:/a:fermilab:scientific_linux:rubygems, p-cpe:/a:fermilab:scientific_linux:rubygems-devel, x-cpe:/o:fermilab:scientific_linux

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RedHat/release, Host/RedHat/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 8/6/2019

Vulnerability Publication Date: 3/13/2018

Reference Information

CVE: CVE-2017-17742, CVE-2018-1000073, CVE-2018-1000074, CVE-2018-1000075, CVE-2018-1000076, CVE-2018-1000077, CVE-2018-1000078, CVE-2018-1000079, CVE-2018-16396, CVE-2018-6914, CVE-2018-8777, CVE-2018-8778, CVE-2018-8779, CVE-2018-8780