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USN-2427-1: Libksba vulnerability

27 November 2014

Libksba could be made to crash or run programs if it opened a specially crafted file.

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Releases

Packages

  • libksba - X.509 and CMS support library

Details

Hanno Böck discovered that Libksba incorrectly handled certain S/MIME
messages or ECC based OpenPGP data. An attacker could use this issue to
cause Libksba to crash, resulting in a denial of service, or possibly
execute arbitrary code.

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 14.10
Ubuntu 14.04
Ubuntu 12.04

In general, a standard system update will make all the necessary changes.

References

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Further reading