Vigil@nce - MediaArea MediaInfo: out-of-bounds memory reading via Streams_Fill_PerStream
January 2021 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/computer-vulnerability
SYNTHESIS OF THE VULNERABILITY
Impacted products: Fedora.
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: 17/11/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker can force a read at an invalid address via
Streams_Fill_PerStream() of MediaArea MediaInfo, in order to
trigger a denial of service, or to obtain sensitive information.
ACCESS TO THE FULL VIGIL@NCE BULLETIN