Ubuntu Security Notice USN-650-1
2nd October, 2008
cpio vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 7.10
- Ubuntu 7.04
- Ubuntu 6.06 LTS
Software description
- cpio
Details
A buffer overflow was discovered in cpio. If a user were tricked into
opening a crafted cpio archive, an attacker could cause a denial of
service via application crash, or possibly execute code with the
privileges of the user invoking the program. (CVE-2007-4476)
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 7.10:
- cpio 2.8-1ubuntu2.2
- Ubuntu 7.04:
- cpio 2.6-17ubuntu0.7.04.1
- Ubuntu 6.06 LTS:
- cpio 2.6-10ubuntu0.3
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system upgrade is sufficient to effect the
necessary changes.