Ubuntu 14.04 LTS: USN-2258-2 Severity: GnuPG Service Disruption Alert

ubuntu

June 26, 2014

GnuPG could be made to hang if it processed a specially crafted message.

Summary

GnuPG could be made to hang if it processed a specially crafted message.

Software Description:

- gnupg: GNU privacy guard - a free PGP replacement

- gnupg2: GNU privacy guard - a free PGP replacement

Details:

Jean-René Reinhard, Olivier Levillain and Florian Maury discovered that

GnuPG incorrectly handled certain OpenPGP messages. If a user or automated

system were tricked into processing a specially-crafted message, GnuPG

could consume resources, resulting in a denial of service.

Topics Covered

security advisory denial of service gnupg software update ubuntu

Update Instructions

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

Ubuntu 14.04 LTS:
  gnupg                           1.4.16-1ubuntu2.1
  gnupg2                          2.0.22-3ubuntu1.1

Ubuntu 13.10:
  gnupg                           1.4.14-1ubuntu2.2
  gnupg2                          2.0.20-1ubuntu3.1

Ubuntu 12.04 LTS:
  gnupg                           1.4.11-3ubuntu2.6
  gnupg2                          2.0.17-2ubuntu2.12.04.4

Ubuntu 10.04 LTS:
  gnupg                           1.4.10-2ubuntu1.6
  gnupg2                          2.0.14-1ubuntu1.7

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