Vigil@nce - QEMU: buffer overflow via ati_2d_blt
December 2020 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/?langue=2
SYNTHESIS OF THE VULNERABILITY
Impacted products: openSUSE Leap, QEMU, SLES.
Severity: 2/4.
Consequences: administrator access/rights, denial of service on
server, denial of service on service.
Provenance: user shell.
Confidence: confirmed by the editor (5/5).
Creation date: 07/10/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker, inside a guest system, can trigger a buffer overflow
via ati_2d_blt() of QEMU, in order to trigger a denial of service,
and possibly to run code on the host system.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/QEMU-buffer-overflow-via-ati-2d-blt-33500