Ubuntu 10.04 LTS / 12.04 LTS / 14.04 LTS : libtasn1-3, libtasn1-6 vulnerabilities (USN-2294-1)

medium Nessus Plugin ID 76704

Synopsis

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

Description

It was discovered that Libtasn1 incorrectly handled certain ASN.1 data structures. An attacker could exploit this with specially crafted ASN.1 data and cause applications using Libtasn1 to crash, resulting in a denial of service. (CVE-2014-3467)

It was discovered that Libtasn1 incorrectly handled negative bit lengths. An attacker could exploit this with specially crafted ASN.1 data and cause applications using Libtasn1 to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2014-3468)

It was discovered that Libtasn1 incorrectly handled certain ASN.1 data. An attacker could exploit this with specially crafted ASN.1 data and cause applications using Libtasn1 to crash, resulting in a denial of service. (CVE-2014-3469).

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 and / or libtasn1-6 packages.

See Also

https://usn.ubuntu.com/2294-1/

Plugin Details

Severity: Medium

ID: 76704

File Name: ubuntu_USN-2294-1.nasl

Version: 1.9

Type: local

Agent: unix

Published: 7/23/2014

Updated: 1/19/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Temporal Vector: E:U/RL:OF/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:libtasn1-3, p-cpe:/a:canonical:ubuntu_linux:libtasn1-6, cpe:/o:canonical:ubuntu_linux:10.04:-:lts, cpe:/o:canonical:ubuntu_linux:12.04:-:lts, cpe:/o:canonical:ubuntu_linux:14.04

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/22/2014

Vulnerability Publication Date: 6/5/2014

Reference Information

CVE: CVE-2014-3467, CVE-2014-3468, CVE-2014-3469

BID: 67745, 67748, 67749

USN: 2294-1