CVE-2015-7512

high-risk
Published 2016-01-08

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.

Do I need to act?

!
21.1% chance of exploitation in next 30 days
EPSS score — higher than 79% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.0/10 Critical
NETWORK / HIGH complexity

Affected Products (13)

Affected Vendors

Oracle Debian Qemu Redhat

References (24)

http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=8b98a2f07175d46c3f7217639bd5e03f
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2015-2694.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2015-2695.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2015-2696.html
Third Party Advisory http://www.debian.org/security/2016/dsa-3469
Third Party Advisory http://www.debian.org/security/2016/dsa-3470
Third Party Advisory http://www.debian.org/security/2016/dsa-3471
Mailing List http://www.openwall.com/lists/oss-security/2015/11/30/3
Third Party Advisory http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.h...
Third Party Advisory http://www.securityfocus.com/bid/78230
Third Party Advisory http://www.securitytracker.com/id/1034527
Third Party Advisory https://security.gentoo.org/glsa/201602-01
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=8b98a2f07175d46c3f7217639bd5e03f
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2015-2694.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2015-2695.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2015-2696.html
Third Party Advisory http://www.debian.org/security/2016/dsa-3469
Third Party Advisory http://www.debian.org/security/2016/dsa-3470
Third Party Advisory http://www.debian.org/security/2016/dsa-3471
Mailing List http://www.openwall.com/lists/oss-security/2015/11/30/3
and 4 more references
57
/ 100
high-risk
Severity 26/34 · High
Exploitability 14/34 · Moderate
Exposure 17/34 · Moderate