SB2016011208 - Resource management error in QEMU
Published: January 12, 2016 Updated: July 28, 2020
Security Bulletin ID
SB2016011208
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource management error (CVE-ID: CVE-2015-1779)
The vulnerability allows a remote non-authenticated attacker to a crash the entire system.
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.
Remediation
Install update from vendor's website.
References
- 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