Privilege escalation in Qemu
CVE-2013-4536
An user able to alter the savevm data (either on the disk or over the wire during migration) could use this flaw to to corrupt QEMU process memory on the (destination) host, which could potentially result in arbitrary code execution on the host with the privileges of the QEMU process.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (20.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 20.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Qemu
- Qemu — versions qemu-kvm 1.5.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- security.netapp.com/advisory/ntap-20210727-0002/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2013-4536?
- CVE-2013-4536 is a high-severity vulnerability in Qemu, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2021-05-28.
- How severe is CVE-2013-4536?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2013-4536 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.