Debian Security Advisory DSA 079-2 (uucp)

Published: 2008-01-17 13:24:38
CVE Author: NIST National Vulnerability Database

CVSS Base Vector:


Technical Details:
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 Linux Distribution Packages immediately.

The remote host is missing an update to uucp announced via advisory DSA 079-2.

Detection Type:
Linux Distribution Package

Solution Type:
Vendor Patch

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

CVSS Score
Debian Local Security Checks

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