Vigil@nce - libsoup: out-of-bounds memory reading via soup_ntlm_parse_challenge
December 2019 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer...
SYNTHESIS OF THE VULNERABILITY
Impacted products: Ubuntu.
Consequences: data reading, denial of service on server, denial of service on service.
Provenance: intranet client.
Confidence: confirmed by the editor (5/5).
Creation date: 10/10/2019.
DESCRIPTION OF THE VULNERABILITY
An attacker can force a read at an invalid address via soup_ntlm_parse_challenge() of libsoup, in order to trigger a denial of service, or to obtain sensitive information.
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