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Ubuntu Security Notice USN-2307-1
August 06, 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 (library)

Details:

Tomas 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 versions:

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

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

References:
http://www.ubuntu.com/usn/usn-2307-1
CVE-2014-3564

Package Information:
https://launchpad.net/ubuntu/+source/gpgme1.0/1.4.3-0.1ubuntu5.1
https://launchpad.net/ubuntu/+source/gpgme1.0/1.2.0-1.4ubuntu2.1
https://launchpad.net/ubuntu/+source/gpgme1.0/1.2.0-1.2ubuntu1.1

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