Buffer overflow in Qemu
CVE-2016-4002
Buffer overflow in the mipsnet_receive function in hw/net/mipsnet.c in QEMU, when the guest NIC is configured to accept large packets, allows remote attackers to cause a denial of service (memory corruption and QEMU crash) or possibly execute arbitrary code via a packet larger than 1514 bytes.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.063 (93.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.063 · newest: 0.063 · change: 0.000
Affected products
- Qemu
- 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
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- www.securityfocus.com/bid/85992 (VDB Entry, Third Party Advisory, vdb-entry)
- lists.fedoraproject.org/pipermail/package-announce/2016-May/184209.html (vendor-advisory, Third Party Advisory)
- security.gentoo.org/glsa/201609-01 (vendor-advisory, Third Party Advisory)
- www.openwall.com/lists/oss-security/2016/04/11/6 (mailing-list, Patch, Mailing List, Third Party Advisory)
- lists.fedoraproject.org/pipermail/package-announce/2016-April/183275.html (vendor-advisory, Third Party Advisory)
- 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)
- www.openwall.com/lists/oss-security/2016/04/12/7 (mailing-list, Patch, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2018/11/msg00038.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-4002?
- CVE-2016-4002 is a critical-severity vulnerability in Qemu, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2016-04-26.
- How severe is CVE-2016-4002?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2016-4002 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.