Improper input validation in Xen
CVE-2012-5513
The XENMEM_exchange handler in Xen 4.2 and earlier does not properly check the memory address, which allows local PV guest OS administrators to cause a denial of service (crash) or possibly gain privileges via unspecified vectors that overwrite memory in the hypervisor reserved range.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 6.9 (Medium). Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.004 (32.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Xen — versions 3.0.2, 3.0.3, 3.0.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- rhn.redhat.com/errata/RHSA-2012-1540.html (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html (vendor-advisory)
- secunia.com/advisories/55082 (third-party-advisory)
- lists.opensuse.org/opensuse-security-announce/2013-01/msg00011.html (vendor-advisory)
- www.openwall.com/lists/oss-security/2012/12/03/11 (mailing-list)
- lists.opensuse.org/opensuse-updates/2013-04/msg00052.html (vendor-advisory)
- support.citrix.com/article/CTX135777
- security.gentoo.org/glsa/glsa-201309-24.xml (vendor-advisory)
- www.debian.org/security/2012/dsa-2582 (vendor-advisory)
- secunia.com/advisories/51397 (Vendor Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2012-5513?
- CVE-2012-5513 is a vulnerability in Xen, classified under Improper Input Validation. Published 2012-12-13.
- Is CVE-2012-5513 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.