CVE-2017-5931 Information

Description

Integer overflow in hw/virtio/virtio-crypto.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (QEMU process crash) or possibly execute arbitrary code on the host via a crafted virtio-crypto request which triggers a heap-based buffer overflow.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Reference

http://git.qemu-project.org/?p=qemu.git;a=commit;h=a08aaff811fb194950f79711d2afe5a892ae03a4 http://www.openwall.com/lists/oss-security/2017/02/08/2 http://www.securityfocus.com/bid/96141 https://bugzilla.redhat.com/show_bug.cgi?id=1420092 https://lists.nongnu.org/archive/html/qemu-devel/2017-01/msg01368.html https://security.gentoo.org/glsa/201702-28

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8