Vigil@nce - QEMU: integer overflow via sm501_2d_operation
October 2020 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/?langue=2
SYNTHESIS OF THE VULNERABILITY
Impacted products: Debian, QEMU, Ubuntu.
Severity: 2/4.
Consequences: administrator access/rights, denial of service on
server.
Provenance: user shell.
Confidence: confirmed by the editor (5/5).
Creation date: 20/08/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker, inside a guest system, can trigger an integer
overflow via sm501_2d_operation() 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-integer-overflow-via-sm501-2d-operation-33119