Vigil@nce - CUPS: out-of-bounds memory reading via ippSetValuetag/array_find
February 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: CUPS, Debian, Android OS.
Severity: 2/4.
Consequences: data reading, denial of service on service, denial
of service on client.
Provenance: intranet client.
Confidence: confirmed by the editor (5/5).
Creation date: 16/12/2019.
DESCRIPTION OF THE VULNERABILITY
An attacker can force a read at an invalid address via
ippSetValuetag()/array_find() of CUPS, in order to trigger a
denial of service, or to obtain sensitive information.
ACCESS TO THE FULL VIGIL@NCE BULLETIN