Ubuntu 10.04 LTS / 10.10 / 11.04 : dovecot vulnerability (USN-1143-1)

Medium Nessus Plugin ID 55106


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


It was discovered that the message header parser in Dovecot did not properly handle '\0' characters in header names. This could allow a remote attacker to cause a denial of service through a crafted email message by crashing the Dovecot daemon or corrupting mailboxes.

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 dovecot-common package.

Plugin Details

Severity: Medium

ID: 55106

File Name: ubuntu_USN-1143-1.nasl

Version: $Revision: 1.7 $

Type: local

Agent: unix

Published: 2011/06/13

Modified: 2016/05/27

Dependencies: 12634

Risk Information

Risk Factor: Medium


Base Score: 5

Temporal Score: 4.3

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:dovecot-common, cpe:/o:canonical:ubuntu_linux:10.04:-:lts, cpe:/o:canonical:ubuntu_linux:10.10, cpe:/o:canonical:ubuntu_linux:11.04

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: 2011/06/01

Reference Information

CVE: CVE-2011-1929

BID: 47930

OSVDB: 72495

USN: 1143-1