CVE-2015-1779

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.

Category

8.6
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 5.08% Top 15%
Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory gentoo.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00033.html vendor advisory broken link
https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04896.html mailing list third party advisory patch
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155196.html third party advisory vendor advisory
http://www.debian.org/security/2015/dsa-3259 third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2015/04/09/6 third party advisory mailing list
http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00042.html vendor advisory broken link
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154656.html third party advisory vendor advisory
https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04894.html third party advisory mailing list
http://rhn.redhat.com/errata/RHSA-2015-1931.html third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2015/03/24/9 third party advisory mailing list
http://www.securitytracker.com/id/1033975 vdb entry third party advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html third party advisory
http://rhn.redhat.com/errata/RHSA-2015-1943.html third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2608-1 third party advisory vendor advisory
https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04895.html mailing list third party advisory patch
http://www.securityfocus.com/bid/73303 vdb entry third party advisory
https://security.gentoo.org/glsa/201602-01 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2015-1779?
CVE-2015-1779 has been scored as a high severity vulnerability.
How to fix CVE-2015-1779?
To fix CVE-2015-1779, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-1779 being actively exploited in the wild?
It is possible that CVE-2015-1779 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~5% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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