Actu
Vigil@nce - libexif: out-of-bounds memory reading via exif_entry_get_value
August 2020 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer-vulnerabilities-watch-and-alert
SYNTHESIS OF THE VULNERABILITY
Impacted products: Debian, Android OS, Ubuntu.
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: 15/06/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker can force a read at an invalid address via
exif_entry_get_value() of libexif, in order to trigger a denial of
service, or to obtain sensitive information.
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