CVE-2015-1779
high
CVSS v3
8.6
CVSS v2
7.8
VIR risk
8.6
Description
The VNC websocket frame decoder in QEMU allows remote attackers to cause a denial of service (memory and CPU consumption) via a large (1) websocket payload or (2) HTTP headers section.
Predictions
Exploit likelihood
91%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2015-1779
Vendor advisory: secalert@redhat.com — https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04896.html
Vendor advisory: secalert@redhat.com — https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04895.html
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2015-1779.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| ubuntu | 12.04 | affected | |
| ubuntu | 14.04 | affected | |
| ubuntu | 14.10 | affected | |
| ubuntu | 15.04 | affected | |
| rhel | 7.1 | affected | |
| rhel | 7.2 | affected | |
| rhel | 7.3 | affected | |
| rhel | 7.4 | affected | |
| rhel | 7.5 | affected | |
| rhel | 7.6 | affected | |
| rhel | 7.7 | affected | |
| rhel | 7.0 | affected | |
| debian | 7.0 | affected | |
| debian | 8.0 | affected | |
| fedora | 21 | affected | |
| fedora | 22 | affected | |
| debian | bookworm | fixed | 1:2.3+dfsg-1 |
| debian | bullseye | fixed | 1:2.3+dfsg-1 |
| debian | forky | fixed | 1:2.3+dfsg-1 |
| debian | sid | fixed | 1:2.3+dfsg-1 |
| debian | trixie | fixed | 1:2.3+dfsg-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| qemu | qemu | {"endIncluding":"2.2.1"} | |
| qemu | qemu | 2.3.0 | |
| redhat | virtualization | 3.0 | |
References
- https://www.suse.com/security/cve/CVE-2015-1779.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154656.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155196.html
- http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00033.html
- http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00042.html
- http://rhn.redhat.com/errata/RHSA-2015-1931.html
- http://rhn.redhat.com/errata/RHSA-2015-1943.html
- http://www.debian.org/security/2015/dsa-3259
- http://www.openwall.com/lists/oss-security/2015/03/24/9
- http://www.openwall.com/lists/oss-security/2015/04/09/6
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.securityfocus.com/bid/73303
- http://www.securitytracker.com/id/1033975
- http://www.ubuntu.com/usn/USN-2608-1
- https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04894.html
- https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04895.html
- https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04896.html
- https://security.gentoo.org/glsa/201602-01
- https://security-tracker.debian.org/tracker/CVE-2015-1779
CWEs
CWE-400
Verify integrity in audit chain (admin only). AS-IS.