Ubuntu 4.10 / 5.04 / 5.10 : fetchmail vulnerability (USN-233-1)

High Nessus Plugin ID 20777


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


Steve Fosdick discovered a remote Denial of Service vulnerability in fetchmail. When using fetchmail in 'multidrop' mode, a malicious email server could cause a crash by sending an email without any headers.
Since fetchmail is commonly called automatically (with cron, for example), this crash could go unnoticed.

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 fetchmail, fetchmail-ssl and / or fetchmailconf packages.

Plugin Details

Severity: High

ID: 20777

File Name: ubuntu_USN-233-1.nasl

Version: $Revision: 1.11 $

Type: local

Agent: unix

Published: 2006/01/21

Modified: 2016/05/26

Dependencies: 12634

Risk Information

Risk Factor: High


Base Score: 7.8

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:fetchmail, p-cpe:/a:canonical:ubuntu_linux:fetchmail-ssl, p-cpe:/a:canonical:ubuntu_linux:fetchmailconf, cpe:/o:canonical:ubuntu_linux:4.10, cpe:/o:canonical:ubuntu_linux:5.04, cpe:/o:canonical:ubuntu_linux:5.10

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

Patch Publication Date: 2006/01/02

Reference Information

CVE: CVE-2005-4348

USN: 233-1