Vigil@nce - Jasper: out-of-bounds memory reading via jp2_decode
April 2021 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/computer-vulnerability
SYNTHESIS OF THE VULNERABILITY
Impacted products: Fedora, openSUSE Leap, SUSE Linux Enterprise
Desktop, SLES.
Severity: 2/4.
Consequences: data reading, denial of service on service, denial
of service on client.
Provenance: document.
Confidence: confirmed by the editor (5/5).
Creation date: 08/02/2021.
DESCRIPTION OF THE VULNERABILITY
An attacker can force a read at an invalid address via
jp2_decode() of Jasper, in order to trigger a denial of service,
or to obtain sensitive information.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/Jasper-out-of-bounds-memory-reading-via-jp2-decode-34498