VulnerabilityModified
CVE-2015-1779
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.
HIGH 8.6EPSS 7.39%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (7.39%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 8.6 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
- EPSS
- 7.39% probability · 94th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-400
- Affected
- qemu/qemu · canonical/ubuntu linux · debian/debian linux · fedoraproject/fedora · redhat/enterprise linux eus · redhat/enterprise linux server · redhat/enterprise linux server aus · redhat/enterprise linux server tus · redhat/enterprise linux workstation · redhat/virtualization · oracle/linux
- Source
- secalert@redhat.com
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 List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2015/04/09/6Mailing List, Third Party Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.htmlThird Party Advisory
- http://www.securityfocus.com/bid/73303Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1033975Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-2608-1Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04894.htmlMailing List, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04895.htmlMailing List, Patch, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04896.htmlMailing List, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/201602-01Third Party Advisory
- 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 List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2015/04/09/6Mailing List, Third Party Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.htmlThird Party Advisory
- http://www.securityfocus.com/bid/73303Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1033975Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-2608-1Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.