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Vulnerability Assessment & Network Security Forums |
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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 >> Debian Local Security Checks >> [DSA079] DSA-079-2 uucp Vulnerability Assessment Details
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[DSA079] DSA-079-2 uucp |
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DSA-079-2 uucp Detailed Explanation for this Vulnerability Assessment Zenith Parsec discovered a security hole in Taylor UUCP 1.06.1. It permits a local user to copy any file to anywhere which is writable by the uucp uid, which effectively means that a local user can completely subvert the UUCP subsystem, including stealing mail, etc. If a remote user with UUCP access is able to create files on the local system, and can successfully make certain guesses about the local directory structure layout, then the remote user can also subvert the UUCP system. A default installation of UUCP will permit a remote user to create files on the local system if the UUCP public directory has been created with world write permissions. Obviously this security hole is serious for anybody who uses UUCP on a multi-user system with untrusted users, or anybody who uses UUCP and permits connections from untrusted remote systems. It was thought that this problem has been fixed with DSA 079-1, but that didn't fix all variations of the problem. The problem is fixed in version 1.06.1-11potato2 of uucp which uses a patch from the upstream author Ian Lance Taylor. We recommend that you upgrade your uucp package immediately. Solution : http://www.debian.org/security/2001/dsa-079 Network Security Threat Level: High Networks Security ID: 3312 Vulnerability Assessment Copyright: This script is (C) 2005 Michel Arboi |
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