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Ubuntu 8.04 LTS / 10.04 LTS / 10.10 / 11.04 / 11.10 : bzip2 vulnerability (USN-1308-1)

medium Nessus Plugin ID 57315

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Synopsis

The remote Ubuntu host is missing a security-related patch.

Description

vladz discovered that executables compressed by bzexe insecurely create temporary files when they are ran. A local attacker could exploit this issue to execute arbitrary code as the user running a compressed executable.

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 bzip2 package.

See Also

https://usn.ubuntu.com/1308-1/

Plugin Details

Severity: Medium

ID: 57315

File Name: ubuntu_USN-1308-1.nasl

Version: 1.10

Type: local

Agent: unix

Published: 12/15/2011

Updated: 9/19/2019

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

Risk Information

VPR

Risk Factor: High

Score: 8.9

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 4

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:10.04:-:lts, cpe:/o:canonical:ubuntu_linux:10.10, cpe:/o:canonical:ubuntu_linux:11.04, p-cpe:/a:canonical:ubuntu_linux:bzip2, cpe:/o:canonical:ubuntu_linux:8.04:-:lts, cpe:/o:canonical:ubuntu_linux:11.10

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: 12/14/2011

Vulnerability Publication Date: 4/16/2014

Reference Information

CVE: CVE-2011-4089

BID: 50409

USN: 1308-1