Ubuntu Security Notice USN-501-1
20th August, 2007
jasper vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 7.04
- Ubuntu 6.10
- Ubuntu 6.06 LTS
Details
It was discovered that Jasper did not correctly handle corrupted JPEG2000
images. By tricking a user into opening a specially crafted JPG, a
remote attacker could cause the application using libjasper to crash,
resulting in a denial of service.
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 7.04:
- libjasper-1.701-1 1.701.0-2ubuntu0.7.04
- Ubuntu 6.10:
- libjasper-1.701-1 1.701.0-2ubuntu0.6.10
- Ubuntu 6.06 LTS:
- libjasper-1.701-1 1.701.0-2ubuntu0.6.06
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system upgrade is sufficient to effect the
necessary changes.