Home/CVE/A flaw was found in the way qemu v1.3.0 and later (virtio-rng) validates addresses when guest accesses the config space
CVE

CVE-2013-2016

A flaw was found in the way qemu v1.3.0 and later (virtio-rng) validates addresses when guest accesses the config space

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.

HIGH · CVSS 7.8 EPSS 0.00074
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-269Improper Privilege Management
▤

Affected Products & Versions

5
qemu>= 1.3.0 and <= 1.4.2
qemuall versions
debian linuxall versions
novell open desktop serverall versions
novell open enterprise serverall versions
⚠

Public Exploits & PoCs

1
pocbugzilla.redhat.com · show_bug.cgi?id=CVE-2013-2016bugzilla.redhat.com
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumPotentially Suspicious Usage Of Qemu
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD30 Dec 2019 · 10:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

3
suse-csafSUSE-SU-2015:0870-1
suse-csafSUSE-SU-2015:0889-1
suse-csafSUSE-SU-2015:1152-1
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00002.htmlMailing ListPatchThird Party Advisory
http://www.openwall.com/lists/oss-security/2013/04/29/5ExploitMailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2013/04/29/6ExploitMailing ListThird Party Advisory
http://www.securityfocus.com/bid/59541Third Party AdvisoryVDB Entry
https://access.redhat.com/security/cve/cve-2013-2016Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/83850Third Party AdvisoryVDB Entry
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