Heap-based buffer overflow - CVE-2019-18391

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in A heap-based buffer overflow in the vrend_renderer_transfer_write_iov function in vrend_renderer.c in virglrenderer through 0.8.0. A remote attacker can use VIRGL_CCMD_RESOURCE_INLINE_WRITE commands. to trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Affected software

How to mitigate CVE-2019-18391

External References

• http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00028.html
• https://access.redhat.com/security/cve/cve-2019-18391
• https://bugzilla.redhat.com/show_bug.cgi?id=1765589
• https://gitlab.freedesktop.org/virgl/virglrenderer/commit/2abeb1802e3c005b17a7123e382171b3fb665971
• https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/314/diffs?commit_id=8c9cfb4e425542e96f0717189fe4658555baaf08

Related Security Bulletins

• OpenSUSE Linux update for virglrenderer
• Heap-based buffer overflow in virglrenderer (Alpine package)
• openEuler update for virglrenderer