Debian DLA-1336-1 : rubygems security update

critical Nessus Plugin ID 108770

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Synopsis

The remote Debian host is missing a security update.

Description

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

CVE-2018-1000075

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

CVE-2018-1000076

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

CVE-2018-1000077

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

CVE-2018-1000078

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.

Solution

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

Plugin Details

Severity: Critical

ID: 108770

File Name: debian_DLA-1336.nasl

Version: 1.6

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 4/2/2018

Updated: 11/22/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2018-1000076

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:rubygems-doc, p-cpe:/a:debian:debian_linux:rubygems, 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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/1/2018

Reference Information

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

Detections

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