CVE-2015-7504
HIGH severity · CVSS 8.8 · Out-of-bounds write
8.8CVSS HIGH
Summary
Heap-based buffer overflow in the pcnet_receive function in hw/net/pcnet.c in QEMU allows guest OS administrators to cause a denial of service (instance crash) or possibly execute arbitrary code via a series of packets in loopback mode.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)1%
CVSS:3.1/AV:L/AC:L/PR:L/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.
Official patch: http://www.openwall.com/lists/oss-security/2015/11/30/2 ↗
Additional information
- NVD record
- http://www.openwall.com/lists/oss-security/2015/11/30/2Patch
- 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.securityfocus.com/bid/78227Advisory