Vigil@nce - libvirt: use after free via qemuAgentGetInterfaces
December 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, RHEL, SUSE Linux
Enterprise Desktop, SLES.
Severity: 2/4.
Consequences: administrator access/rights, privileged
access/rights, denial of service on server.
Provenance: user shell.
Confidence: confirmed by the editor (5/5).
Creation date: 02/10/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker can force the usage of a freed memory area via
qemuAgentGetInterfaces() of libvirt, in order to trigger a denial
of service, and possibly to run code.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/libvirt-use-after-free-via-qemuAgentGetInterfaces-33476