Ubuntu 15.04 : cyrus-sasl2 vulnerability (USN-2755-1)

Medium Nessus Plugin ID 86219


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


It was discovered that Cyrus SASL incorrectly handled certain invalid password salts. An attacker could use this issue to cause Cyrus SASL 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.


Update the affected libsasl2-2 package.

Plugin Details

Severity: Medium

ID: 86219

File Name: ubuntu_USN-2755-1.nasl

Version: $Revision: 2.3 $

Type: local

Agent: unix

Published: 2015/10/01

Modified: 2016/05/24

Dependencies: 12634

Risk Information

Risk Factor: Medium


Base Score: 4.3

Temporal Score: 3.2

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:libsasl2-2, cpe:/o:canonical:ubuntu_linux:15.04

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

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2015/09/30

Reference Information

CVE: CVE-2013-4122

OSVDB: 95172

USN: 2755-1