Vigil@nce - XAR: NULL pointer dereference via xar_unserialize
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: Fedora.
Severity: 1/4.
Consequences: denial of service on service, denial of service on
client.
Provenance: document.
Confidence: confirmed by the editor (5/5).
Creation date: 03/02/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker can force a NULL pointer to be dereferenced via
xar_unserialize() of XAR, in order to trigger a denial of service.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/XAR-NULL-pointer-dereference-via-xar-unserialize-31494