Ubuntu Security Notice 4513-1 - Dileep Kumar Jallepalli discovered that apng2gif incorrectly handled loading APNG files. An attacker could exploit this with a crafted APNG file to access sensitive information.
595ff4c8229049eb36c58aa66aec5db11fe1eed616e9b350ddba359bef512a68
==========================================================================
Ubuntu Security Notice USN-4513-1
September 17, 2020
apng2gif vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 LTS
Summary:
apng2gif could be made to expose sensitive information if it opened a
specifically crafted APNG file.
Software Description:
- apng2gif: tool for converting APNG images to animated GIF format
Details:
Dileep Kumar Jallepalli discovered that apng2gif incorrectly handled
loading APNG files. An attacker could exploit this with a crafted APNG
file to access sensitive information. (CVE-2017-6960)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 16.04 LTS:
apng2gif 1.5-3+deb8u1build0.16.04.1
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/4513-1
CVE-2017-6960
Package Information:
https://launchpad.net/ubuntu/+source/apng2gif/1.5-3+deb8u1build0.16.04.1