Vulnerability in Xen
CVE-2015-2152
Xen 4.5.x and earlier enables certain default backends when emulating a VGA device for an x86 HVM guest qemu even when the configuration disables them, which allows local guest users to obtain access to the VGA console by (1) setting the DISPLAY environment variable, when compiled with SDL support, or connecting to the VNC server on (2) ::1 or (3) 127.0.0.1, when not compiled with SDL support.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 1.9 (Low). Vector: AV:L/AC:M/Au:N/C:N/I:P/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.004 (33.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 33.8% 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
- Fedoraproject Fedora — versions 20, 21, 22
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security.gentoo.org/glsa/201504-04 (vendor-advisory)
- www.securitytracker.com/id/1031919 (VDB Entry, Third Party Advisory, vdb-entry)
- lists.fedoraproject.org/pipermail/package-announce/2015-March/152776.html (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/pipermail/package-announce/2015-March/152588.html (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/73068 (vdb-entry)
- lists.fedoraproject.org/pipermail/package-announce/2015-March/152483.html (vendor-advisory, Third Party Advisory)
- xenbits.xen.org/xsa/advisory-119.html (Patch, Vendor Advisory)
- lists.opensuse.org/opensuse-security-announce/2015-04/msg00014.html (vendor-advisory)
- www.securitytracker.com/id/1031806 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2015-2152?
- CVE-2015-2152 is a vulnerability in Xen, classified under CWE-264. Published 2015-03-18.
- Is CVE-2015-2152 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.