CVE-2017-5931
HIGH severity · CVSS 8.8 · Integer overflow
8.8CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)1%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: http://www.openwall.com/lists/oss-security/2017/02/08/2 ↗
Additional information
- NVD record
- http://www.openwall.com/lists/oss-security/2017/02/08/2Patch
- https://bugzilla.redhat.com/show_bug.cgi?id=1420092Patch
- https://lists.nongnu.org/archive/html/qemu-devel/2017-01/msg01368.htmlPatch
- http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=a08aaff811fb194950f79711d2afe5a892ae03a4
- http://www.securityfocus.com/bid/96141Advisory
- https://security.gentoo.org/glsa/201702-28Advisory