Ubuntu 10.04 LTS / 11.10 / 12.04 LTS / 12.10 : libssh vulnerabilities (USN-1640-1)

high Nessus Plugin ID 63058

Synopsis

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

Description

Xi Wang and Florian Weimer discovered that libssh incorrectly handled memory. A remote attacker could use this to cause libssh to crash, resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2012-4559, CVE-2012-4560, CVE-2012-4561, CVE-2012-4562).

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 libssh-4 package.

See Also

https://usn.ubuntu.com/1640-1/

Plugin Details

Severity: High

ID: 63058

File Name: ubuntu_USN-1640-1.nasl

Version: 1.10

Type: local

Agent: unix

Published: 11/27/2012

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: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:libssh-4, cpe:/o:canonical:ubuntu_linux:10.04:-:lts, cpe:/o:canonical:ubuntu_linux:11.10, cpe:/o:canonical:ubuntu_linux:12.04:-:lts, cpe:/o:canonical:ubuntu_linux:12.10

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/26/2012

Vulnerability Publication Date: 11/30/2012

Reference Information

CVE: CVE-2012-4559, CVE-2012-4560, CVE-2012-4561, CVE-2012-4562

BID: 56604

USN: 1640-1