CVE-2015-7512
CRITICAL severity · CVSS 9 · Buffer overflow
9CVSS CRITICAL
Summary
Buffer overflow in the pcnet_receive function in hw/net/pcnet.c in QEMU, when a guest NIC has a larger MTU, allows remote attackers to cause a denial of service (guest OS crash) or execute arbitrary code via a large packet.
Impact & exploitability
Attack vectorNetwork
Attack complexityHigh
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)8%
CVSS:3.1/AV:N/AC:H/PR:N/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.
Additional information
- NVD record
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=8b98a2f07175d46c3f7217639bd5e03f
- http://rhn.redhat.com/errata/RHSA-2015-2694.htmlAdvisory
- http://rhn.redhat.com/errata/RHSA-2015-2695.htmlAdvisory
- http://rhn.redhat.com/errata/RHSA-2015-2696.htmlAdvisory
- http://www.debian.org/security/2016/dsa-3469Advisory
- http://www.debian.org/security/2016/dsa-3470Advisory
- http://www.debian.org/security/2016/dsa-3471Advisory
- http://www.openwall.com/lists/oss-security/2015/11/30/3Advisory