Vigil@nce - Varnish Cache: assertion error via HTTP Proxy Protocol V2
April 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: Varnish.
Severity: 2/4.
Consequences: denial of service on service, denial of service on
client.
Provenance: intranet client.
Confidence: confirmed by the editor (5/5).
Creation date: 04/02/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker can force an assertion error via HTTP Proxy Protocol
V2 of Varnish Cache, in order to trigger a denial of service.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/Varnish-Cache-assertion-error-via-HTTP-Proxy-Protocol-V2-31509