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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.

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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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