USN-2307-1: GPGME vulnerability

Ubuntu Security Notice USN-2307-1

6th August, 2014

gpgme1.0 vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS
  • Ubuntu 10.04 LTS

Summary

GPGME could be made to crash or run programs as your login if it processed a specially crafted certificate.

Software description

  • gpgme1.0 - GPGME - GnuPG Made Easy

Details

Tomáš Trnka discovered that GPGME incorrectly handled certain certificate
line lengths. An attacker could use this issue to cause applications using
GPGME to crash, resulting in a denial of service, or possibly execute
arbitrary code.

Update instructions

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

Ubuntu 14.04 LTS:
libgpgme11 1.4.3-0.1ubuntu5.1
Ubuntu 12.04 LTS:
libgpgme11 1.2.0-1.4ubuntu2.1
Ubuntu 10.04 LTS:
libgpgme11 1.2.0-1.2ubuntu1.1

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

CVE-2014-3564