Debian DLA-172-1 : libextlib-ruby security update

high Nessus Plugin ID 82157

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Synopsis

The remote Debian host is missing a security update.

Description

Import patches 633974b2759d9b92 and 4540e7102b803624 from uptream to remove symbol and YAML coercion from the XML parser.

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 packages.

Plugin Details

Severity: High

ID: 82157

File Name: debian_DLA-172.nasl

Version: 1.6

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 3/26/2015

Updated: 1/11/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.2

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libextlib-ruby1.9.1, p-cpe:/a:debian:debian_linux:libextlib-ruby1.8, cpe:/o:debian:debian_linux:6.0, p-cpe:/a:debian:debian_linux:libextlib-ruby-doc, p-cpe:/a:debian:debian_linux:libextlib-ruby

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/14/2015

Exploitable With

Metasploit (Ruby on Rails XML Processor YAML Deserialization Code Execution)

Reference Information

CVE: CVE-2013-0156

BID: 57187

Detections

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