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

critical Nessus Plugin ID 128260


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: Critical

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

Supported Sensors: Nessus Agent

Risk Information

CVSS Score Source: CVE-2018-8780


Risk Factor: Medium

Score: 6


Risk Factor: High

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


Risk Factor: Critical

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