Vigil@nce - HAProxy: infinite loop via dns_read_name
February 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: Fedora, openSUSE Leap, SLES, Ubuntu.
– Severity: 2/4.
– Consequences: denial of service on server, denial of service on
service, denial of service on client.
– Provenance: internet client.
– Confidence: confirmed by the editor (5/5).
– Creation date: 13/12/2018.
DESCRIPTION OF THE VULNERABILITY
An attacker can generate an infinite loop via dns_read_name() of
HAProxy, in order to trigger a denial of service.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/HAProxy-infinite-loop-via-dns-read-name-28021