CVE-2013-2016
HIGH severity · CVSS 7.8 · Improper privilege management
7.8CVSS HIGH
Summary
A flaw was found in the way qemu v1.3.0 and later (virtio-rng) validates addresses when guest accesses the config space of a virtio device. If the virtio device has zero/small sized config space, such as virtio-rng, a privileged guest user could use this flaw to access the matching host's qemu address space and thus increase their privileges on the host.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)1%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00002.html ↗
Additional information
- NVD record
- http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00002.htmlPatch
- https://github.com/qemu/qemu/commit/5f5a1318653c08e435cfa52f60b6a712815b659dPatch
- http://www.securityfocus.com/bid/59541Advisory
- https://access.redhat.com/security/cve/cve-2013-2016Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/83850Advisory
- http://www.openwall.com/lists/oss-security/2013/04/29/5Advisory
- http://www.openwall.com/lists/oss-security/2013/04/29/6Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2013-2016Exploit