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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 >> Gentoo Local Security Checks >> [GLSA-200409-32] getmail: Filesystem overwrite vulnerability Vulnerability Assessment Details
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[GLSA-200409-32] getmail: Filesystem overwrite vulnerability |
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getmail: Filesystem overwrite vulnerability Detailed Explanation for this Vulnerability Assessment The remote host is affected by the vulnerability described in GLSA-200409-32 (getmail: Filesystem overwrite vulnerability) David Watson discovered a vulnerability in getmail when it is configured to run as root and deliver mail to the maildirs/mbox files of untrusted local users. A malicious local user can then exploit a race condition, or a similar symlink attack, and potentially cause getmail to create or overwrite files in any directory on the system. Impact An untrusted local user could potentially create or overwrite files in any directory on the system. This vulnerability may also be exploited to have arbitrary commands executed as root. Workaround Do not run getmail as a privileged user or, in version 4, use an external MDA with explicitly configured user and group rights. References: http://www.qcc.ca/~charlesc/software/getmail-4/CHANGELOG http://article.gmane.org/gmane.mail.getmail.user/1430 Solution: All getmail users should upgrade to the latest version: # emerge sync # emerge -pv ">=net-mail/getmail-4.2.0" # emerge ">=net-mail/getmail-4.2.0" Network Security Threat Level: High Networks Security ID: Vulnerability Assessment Copyright: (C) 2005 Michel Arboi |
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