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USN-478-1: libexif vulnerability

27 June 2007

libexif vulnerability



Sean Larsson discovered that libexif did not correctly verify the size of
EXIF components. By tricking a user into opening an image with specially
crafted EXIF headers, a remote attacker could cause the application
using libexif to execute arbitrary code with user privileges.

Update instructions

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

Ubuntu 7.04
  • libexif12 - 0.6.13-5ubuntu0.2
Ubuntu 6.10
  • libexif12 - 0.6.13-4ubuntu0.2
Ubuntu 6.06
  • libexif12 - 0.6.12-2ubuntu0.2

After a standard system upgrade you need to restart your session to
effect the necessary changes.