CVE-2016-4002
CRITICAL severity · CVSS 9.8 · Buffer overflow
9.8CVSS CRITICAL
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)6%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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/2016/04/11/6 ↗
Additional information
- NVD record
- http://www.openwall.com/lists/oss-security/2016/04/11/6Patch
- http://www.openwall.com/lists/oss-security/2016/04/12/7Patch
- https://bugzilla.redhat.com/show_bug.cgi?id=1326082Patch
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183275.htmlAdvisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183350.htmlAdvisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184209.htmlAdvisory
- http://www.securityfocus.com/bid/85992Advisory
- http://www.ubuntu.com/usn/USN-2974-1Advisory