Vigil@nce - Squid cache: integer overflow via the HTTP Digest authentication
June 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, Fedora, openSUSE Leap, RHEL, Squid,
SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity: 2/4.
Consequences: privileged access/rights, denial of service on
server, denial of service on service.
Provenance: internet server.
Confidence: confirmed by the editor (5/5).
Creation date: 23/04/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker can trigger an integer overflow via the HTTP Digest
authentication in Squid cache, in order to trigger a denial of
service, and possibly to run code.
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