Vigil@nce - Squid: integer overflow via Digest Authentication Single Quote
September 2019 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer-vulnerability-database-and-alert
SYNTHESIS OF THE VULNERABILITY
– Impacted products: Debian, Squid, SUSE Linux Enterprise Desktop,
SLES, Ubuntu.
– Severity: 2/4.
– Consequences: user access/rights, denial of service on service.
– Provenance: intranet client.
– Confidence: confirmed by the editor (5/5).
– Creation date: 12/07/2019.
DESCRIPTION OF THE VULNERABILITY
An attacker can trigger an integer overflow via Digest
Authentication Single Quote of Squid, in order to trigger a denial
of service, and possibly to run code.
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