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Ubuntu 8.10 : ruby1.9 vulnerability (USN-691-1)

medium Nessus Plugin ID 37474

Synopsis

The remote Ubuntu host is missing one or more security-related patches.

Description

Laurent Gaffie discovered that Ruby did not properly check for memory allocation failures. If a user or automated system were tricked into running a malicious script, an attacker could cause a denial of service. (CVE-2008-3443)

This update also fixes a regression in the upstream patch previously applied to fix CVE-2008-3790. The regression would cause parsing of some XML documents to fail.

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected packages.

See Also

https://usn.ubuntu.com/691-1/

Plugin Details

Severity: Medium

ID: 37474

File Name: ubuntu_USN-691-1.nasl

Version: 1.16

Type: local

Agent: unix

Published: 4/23/2009

Updated: 1/19/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:rdoc1.9, p-cpe:/a:canonical:ubuntu_linux:irb1.9, p-cpe:/a:canonical:ubuntu_linux:libtcltk-ruby1.9, p-cpe:/a:canonical:ubuntu_linux:ruby1.9-examples, p-cpe:/a:canonical:ubuntu_linux:libdbm-ruby1.9, p-cpe:/a:canonical:ubuntu_linux:ruby1.9-dev, p-cpe:/a:canonical:ubuntu_linux:ruby1.9-elisp, p-cpe:/a:canonical:ubuntu_linux:libruby1.9-dbg, p-cpe:/a:canonical:ubuntu_linux:ri1.9, cpe:/o:canonical:ubuntu_linux:8.10, p-cpe:/a:canonical:ubuntu_linux:libreadline-ruby1.9, p-cpe:/a:canonical:ubuntu_linux:libopenssl-ruby1.9, p-cpe:/a:canonical:ubuntu_linux:libruby1.9, p-cpe:/a:canonical:ubuntu_linux:ruby1.9, p-cpe:/a:canonical:ubuntu_linux:libgdbm-ruby1.9

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 12/16/2008

Reference Information

CVE: CVE-2008-3443, CVE-2008-3790

BID: 30682, 30802

CWE: 20, 399

USN: 691-1