Integer overflow in Qemu
CVE-2017-5931
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.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (42.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 42.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
Weakness classification (CWE)
References
- lists.nongnu.org/archive/html/qemu-devel/2017-01/msg01368.html (Vendor Advisory, mailing-list, Patch)
- www.securityfocus.com/bid/96141 (VDB Entry, Third Party Advisory, vdb-entry)
- security.gentoo.org/glsa/201702-28 (vendor-advisory, Third Party Advisory)
- git.qemu-project.org/
- www.openwall.com/lists/oss-security/2017/02/08/2 (mailing-list, Patch, Mailing List, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2017-5931?
- CVE-2017-5931 is a high-severity vulnerability in Qemu, classified under Integer Overflow or Wraparound. CVSS score: 8.8/10. Published 2017-03-27.
- How severe is CVE-2017-5931?
- High severity. CVSS v3 base score is 8.8 out of 10.