Vigil@nce - QEMU: integer overflow via ati_2d_blt
June 2020 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/computer-vulne...
SYNTHESIS OF THE VULNERABILITY
Impacted products: QEMU, Ubuntu.
Consequences: user access/rights, denial of service on server, denial of service on service, denial of service on client.
Provenance: user shell.
Confidence: confirmed by the editor (5/5).
Creation date: 27/04/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker can trigger an integer overflow via ati_2d_blt() of QEMU, in order to trigger a denial of service, and possibly to run code.
ACCESS TO THE FULL VIGIL@NCE BULLETIN