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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.

Home >> Browse Vulnerability Assessment Database >> Ubuntu Local Security Checks >> USN153-1 : fetchmail vulnerability

Vulnerability Assessment Details

USN153-1 : fetchmail vulnerability

Vulnerability Assessment Summary
fetchmail vulnerability

Detailed Explanation for this Vulnerability Assessment

Summary :

These remote packages are missing security patches :
- fetchmail
- fetchmail-ssl
- fetchmailconf

Description :

Ross Boylan discovered a remote buffer overflow in fetchmail. By
sending invalid responses with very long UIDs, a faulty or malicious
POP server could crash fetchmail or execute arbitrary code with the
rights of the user invoking fetchmail.

fetchmail is commonly run as root to fetch mail for multiple user
accounts
in this case, this vulnerability could be exploited to
compromise the whole system.

Solution :

Upgrade to :
- fetchmail-6.2.5-12ubuntu1.1 (Ubuntu 5.04)
- fetchmail-ssl-6.2.5-12ubuntu1.1 (Ubuntu 5.04)
- fetchmailconf-6.2.5-12ubuntu1.1 (Ubuntu 5.04)

Network Security Threat Level: High

Networks Security ID:

Vulnerability Assessment Copyright: Ubuntu Security Notice (C) 2005 Canonical, Inc. / NASL script (C) 2005 Michel Arboi

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