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Ubuntu 8.04 LTS / 10.04 LTS / 11.04 / 11.10 / 12.04 LTS : libtasn1-3 vulnerability (USN-1436-1)

medium Nessus Plugin ID 58974

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Synopsis

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

Description

Matthew Hall discovered that Libtasn incorrectly handled certain large values. An attacker could exploit this with a specially crafted ASN.1 structure and cause a denial of service, or possibly execute arbitrary code.

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 libtasn1-3 package.

See Also

https://usn.ubuntu.com/1436-1/

Plugin Details

Severity: Medium

ID: 58974

File Name: ubuntu_USN-1436-1.nasl

Version: 1.8

Type: local

Agent: unix

Published: 5/3/2012

Updated: 9/19/2019

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:libtasn1-3, cpe:/o:canonical:ubuntu_linux:10.04:-:lts, cpe:/o:canonical:ubuntu_linux:11.04, cpe:/o:canonical:ubuntu_linux:11.10, cpe:/o:canonical:ubuntu_linux:12.04:-:lts, cpe:/o:canonical:ubuntu_linux:8.04:-:lts

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/2/2012

Vulnerability Publication Date: 3/26/2012

Reference Information

CVE: CVE-2012-1569

BID: 52668

USN: 1436-1