[USN-4513-1] apng2gif vulnerability

Avital Ostromich avital.ostromich at canonical.com
Thu Sep 17 15:00:40 UTC 2020


==========================================================================
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


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