CVE-2015-7504

moderate-risk
Published 2017-10-16

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.

Do I need to act?

-
0.78% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
LOCAL / LOW complexity

Affected Products (7)

Xen

Affected Vendors

Xen Debian Qemu

References (26)

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/2015/11/30/2
Third Party Advisory http://www.securityfocus.com/bid/78227
Third Party Advisory http://www.securitytracker.com/id/1034268
Mitigation http://xenbits.xen.org/xsa/advisory-162.html
Mailing List https://lists.gnu.org/archive/html/qemu-devel/2015-11/msg06342.html
Patch https://security.gentoo.org/glsa/201602-01
Patch https://security.gentoo.org/glsa/201604-03
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/2015/11/30/2
and 6 more references
44
/ 100
moderate-risk
Severity 27/34 · High
Exploitability 3/34 · Minimal
Exposure 14/34 · Moderate