Vigil@nce - QEMU: buffer overflow via bochs-display.c
June 2020 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/?langue=2
SYNTHESIS OF THE VULNERABILITY
Impacted products: Debian, openSUSE Leap, QEMU, Ubuntu.
Severity: 2/4.
Consequences: administrator access/rights, privileged
access/rights, denial of service on server, denial of service on
service.
Provenance: user shell.
Confidence: confirmed by the editor (5/5).
Creation date: 07/04/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker, inside a guest system, can trigger a buffer overflow
via bochs-display.c 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-bochs-display-c-31943