Vigil@nce - libexif: buffer overflow via Compiler Optimization
January 2021 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/?langue=2
SYNTHESIS OF THE VULNERABILITY
Impacted products: Debian, Fedora, Android OS, RHEL, Ubuntu.
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: 09/11/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker can trigger a buffer overflow via Compiler
Optimization of libexif, in order to trigger a denial of service,
and possibly to run code.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/libexif-buffer-overflow-via-Compiler-Optimization-33848