Vulnerability CVE-2013-2016
Published: 2019-12-30

Description:
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.

Type:

CWE-269

 (Improper Privilege Management)

CVSS2 => (AV:L/AC:M/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.9/10
10/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
QEMU -> QEMU 
Novell -> Open desktop server 
Novell -> Open enterprise server 
Debian -> Debian linux 

 References:
http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00002.html
http://www.openwall.com/lists/oss-security/2013/04/29/5
http://www.openwall.com/lists/oss-security/2013/04/29/6
http://www.securityfocus.com/bid/59541
https://access.redhat.com/security/cve/cve-2013-2016
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2013-2016
https://exchange.xforce.ibmcloud.com/vulnerabilities/83850
https://github.com/qemu/qemu/commit/5f5a1318653c08e435cfa52f60b6a712815b659d
https://security-tracker.debian.org/tracker/CVE-2013-2016
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