CVE-2015-7504
Description
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2015-7504
Vendor advisory: secalert@redhat.com — https://security.gentoo.org/glsa/201604-03
Vendor advisory: secalert@redhat.com — https://security.gentoo.org/glsa/201602-01
Vendor advisory: secalert@redhat.com — https://lists.gnu.org/archive/html/qemu-devel/2015-11/msg06342.html
Vendor advisory: secalert@redhat.com — http://xenbits.xen.org/xsa/advisory-162.html
Vendor advisory: secalert@redhat.com — http://www.openwall.com/lists/oss-security/2015/11/30/2
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | 7.0 | affected | |
| debian | 8.0 | affected | |
| debian | bookworm | fixed | 1:2.5+dfsg-1 |
| debian | bullseye | fixed | 1:2.5+dfsg-1 |
| debian | forky | fixed | 1:2.5+dfsg-1 |
| debian | sid | fixed | 1:2.5+dfsg-1 |
| debian | trixie | fixed | 1:2.5+dfsg-1 |
References
- http://rhn.redhat.com/errata/RHSA-2015-2694.html
- http://rhn.redhat.com/errata/RHSA-2015-2695.html
- http://rhn.redhat.com/errata/RHSA-2015-2696.html
- http://www.debian.org/security/2016/dsa-3469
- http://www.debian.org/security/2016/dsa-3470
- http://www.debian.org/security/2016/dsa-3471
- http://www.openwall.com/lists/oss-security/2015/11/30/2
- http://www.securityfocus.com/bid/78227
- http://www.securitytracker.com/id/1034268
- http://xenbits.xen.org/xsa/advisory-162.html
- https://lists.gnu.org/archive/html/qemu-devel/2015-11/msg06342.html
- https://security.gentoo.org/glsa/201602-01
- https://security.gentoo.org/glsa/201604-03
- https://security-tracker.debian.org/tracker/CVE-2015-7504
CWEs
CWE-787
Verify integrity in audit chain (admin only). AS-IS.