Buffer overflow in Qemu
CVE-2016-4001
Buffer overflow in the stellaris_enet_receive function in hw/net/stellaris_enet.c in QEMU, when the Stellaris ethernet controller is configured to accept large packets, allows remote attackers to cause a denial of service (QEMU crash) via a large packet.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.049 (91.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.049 · newest: 0.049 · change: 0.000
Affected products
- Qemu — versions 2.6.0
- Canonical Ubuntu Linux — versions 12.04, 14.04, 15.10
- Debian Linux — versions 8.0
- Fedoraproject Fedora — versions 22, 23, 24
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.gnu.org/archive/html/qemu-devel/2016-04/msg01334.html (mailing-list, Patch, Third Party Advisory)
- www.openwall.com/lists/oss-security/2016/04/11/4 (mailing-list, Mailing List, Third Party Advisory)
- lists.fedoraproject.org/pipermail/package-announce/2016-May/184209.html (vendor-advisory, Third Party Advisory)
- www.openwall.com/lists/oss-security/2016/04/12/6 (mailing-list, Mailing List, Third Party Advisory)
- www.securityfocus.com/bid/85976 (VDB Entry, Third Party Advisory, vdb-entry)
- security.gentoo.org/glsa/201609-01 (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/pipermail/package-announce/2016-April/183275.html (vendor-advisory, Third Party Advisory)
- git.qemu.org/
- lists.fedoraproject.org/pipermail/package-announce/2016-May/183350.html (vendor-advisory, Third Party Advisory)
- www.ubuntu.com/usn/USN-2974-1 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-4001?
- CVE-2016-4001 is a high-severity vulnerability in Qemu, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.6/10. Published 2016-05-23.
- How severe is CVE-2016-4001?
- High severity. CVSS v3 base score is 8.6 out of 10.
- Is CVE-2016-4001 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.