Vigil@nce - OpenJPEG: use after free via opj_image_destroy
September 2020 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/computer-vulnerability
SYNTHESIS OF THE VULNERABILITY
– Impacted products: Debian.
– Severity: 2/4.
– Consequences: user access/rights, denial of service on service,
denial of service on client.
– Provenance: document.
– Confidence: confirmed by the editor (5/5).
– Creation date: 14/07/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker can force the usage of a freed memory area via
opj_image_destroy() of OpenJPEG, in order to trigger a denial of
service, and possibly to run code.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/OpenJPEG-use-after-free-via-opj-image-destroy-32797