Ubuntu 12.04 LTS / 14.04 LTS / 14.10 : libssh vulnerability (USN-2478-1)

medium Nessus Plugin ID 80853

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Synopsis

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

Description

It was discovered that libssh incorrectly handled certain kexinit packets. A remote attacker could possibly use this issue to cause libssh to crash, resulting in a denial of service.

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/2478-1/

Plugin Details

Severity: Medium

ID: 80853

File Name: ubuntu_USN-2478-1.nasl

Version: 1.6

Type: local

Agent: unix

Published: 1/20/2015

Updated: 1/19/2021

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 4.3

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:libssh-4, cpe:/o:canonical:ubuntu_linux:12.04:-:lts, cpe:/o:canonical:ubuntu_linux:14.04, cpe:/o:canonical:ubuntu_linux:14.10

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

Exploit Ease: No known exploits are available

Patch Publication Date: 1/19/2015

Vulnerability Publication Date: 12/28/2014

Reference Information

CVE: CVE-2014-8132

BID: 71865

USN: 2478-1