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USN-460-2: Samba regression

22 May 2007

Samba regression

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Releases

Details

USN-460-1 fixed several vulnerabilities in Samba. The upstream changes
for CVE-2007-2444 had an unexpected side-effect in Feisty. Shares
configured with the "force group" option no longer behaved correctly.
This update corrects the problem. We apologize for the inconvenience.

Original advisory details:

Paul Griffith and Andrew Hogue discovered that Samba did not fully drop
root privileges while translating SIDs. A remote authenticated user
could issue SMB operations during a small window of opportunity and gain
root privileges. (CVE-2007-2444)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 7.04
  • samba - 3.0.24-2ubuntu1.2

In general, a standard system upgrade is sufficient to effect the
necessary changes.