1. Ubuntu Security Notices
  2. USN-2427-1

USN-2427-1: Libksba vulnerability

Publication date

27 November 2014

Overview

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

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.

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.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
14.10 utopic libksba8 –  1.3.0-3ubuntu0.14.10.1
14.04 trusty libksba8 –  1.3.0-3ubuntu0.14.04.1
12.04 precise libksba8 –  1.2.0-2ubuntu0.1

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References

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