Ubuntu Security Notice 2307-1 - It was 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.
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Ubuntu Security Notice USN-2307-1
August 06, 2014
gpgme1.0 vulnerability
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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:
Tom=C3=A1=C5=A1 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