Debian DLA-1336-1 : rubygems security update

critical Nessus Plugin ID 108770


The remote Debian host is missing a security update.


Multiple vulnerabilities were found in rubygems, a package management framework for Ruby.


A negative size vulnerability in ruby gem package tar header that could cause an infinite loop.


Ruby gems package improperly verifies cryptographic signatures. A mis-signed gem could be installed if the tarball contains multiple gem signatures.


An improper input validation vulnerability in ruby gems specification homepage attribute could allow malicious gem to set an invalid homepage URL.


Cross Site Scripting (XSS) vulnerability in gem server display of homepage attribute

For Debian 7 'Wheezy', these problems have been fixed in version 1.8.24-1+deb7u2.

We recommend that you upgrade your rubygems 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.


Upgrade the affected rubygems, rubygems-doc, and rubygems1.8 packages.

See Also

Plugin Details

Severity: Critical

ID: 108770

File Name: debian_DLA-1336.nasl

Version: 1.5

Type: local

Agent: unix

Published: 4/2/2018

Updated: 1/11/2021

Supported Sensors: Frictionless Assessment Agent, Nessus Agent

Risk Information


Risk Factor: Medium

Score: 5.9


Risk Factor: High

Base Score: 7.5

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


Risk Factor: Critical

Base Score: 9.8

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:rubygems, p-cpe:/a:debian:debian_linux:rubygems-doc, p-cpe:/a:debian:debian_linux:rubygems1.8, cpe:/o:debian:debian_linux:7.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Patch Publication Date: 4/1/2018

Reference Information

CVE: CVE-2018-1000075, CVE-2018-1000076, CVE-2018-1000077, CVE-2018-1000078