Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | <= 2.2.1 |
| Canonical | Ubuntu Linux | 12.04 |
| Debian | Debian Linux | 7.0 |
| Fedoraproject | Fedora | 21 |
| Redhat | Enterprise Linux Eus | 7.1 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Server Aus | 7.3 |
| Redhat | Enterprise Linux Server Tus | 7.3 |
| Redhat | Enterprise Linux Workstation | 7.0 |
| Redhat | Virtualization | 3.0 |
| Redhat | Enterprise Linux | 7.0 |
| Oracle | Linux | 7 |
Related Weaknesses (CWE)
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154656.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155196.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00033.htmlBroken Link
- http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00042.htmlBroken Link
- http://rhn.redhat.com/errata/RHSA-2015-1931.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2015-1943.htmlThird Party Advisory
- http://www.debian.org/security/2015/dsa-3259Third Party Advisory
- http://www.openwall.com/lists/oss-security/2015/03/24/9Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2015/04/09/6Mailing ListThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.hThird Party Advisory
- http://www.securityfocus.com/bid/73303Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1033975Third Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-2608-1Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04894.htmlMailing ListThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04895.htmlMailing ListPatchThird Party Advisory
FAQ
What is CVE-2015-1779?
CVE-2015-1779 is a vulnerability with a CVSS score of 8.6 (HIGH). 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.
How severe is CVE-2015-1779?
CVE-2015-1779 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-1779?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Canonical Ubuntu Linux, Debian Debian Linux, Fedoraproject Fedora, Redhat Enterprise Linux Eus.