CVE-2015-1779

Description

It was found that the QEMU's websocket frame decoder processed incoming frames without limiting resources used to process the header and the payload. An attacker able to access a guest's VNC console could use this flaw to trigger a denial of service on the host by exhausting all available memory and CPU.

References

http://www.debian.org/security/2015/dsa-3259

https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04894.html

http://www.securitytracker.com/id/1033975

http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00033.html

https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04896.html

http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155196.html

http://www.openwall.com/lists/oss-security/2015/03/24/9

http://www.ubuntu.com/usn/USN-2608-1

http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154656.html

http://www.securityfocus.com/bid/73303

https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04895.html

http://rhn.redhat.com/errata/RHSA-2015-1943.html

http://rhn.redhat.com/errata/RHSA-2015-1931.html

http://www.openwall.com/lists/oss-security/2015/04/09/6

http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00042.html

http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html

https://security.gentoo.org/glsa/201602-01

https://access.redhat.com/errata/RHSA-2015:1943

https://access.redhat.com/errata/RHSA-2015:1931

https://bugzilla.redhat.com/show_bug.cgi?id=1199572

https://access.redhat.com/security/cve/CVE-2015-1779

Details

Risk Information

CVSS v2

CVSS v3