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…
Does this matter?
Lower severity and a low EPSS score (0.42%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 2.0
- 1.9 LOWAV:L/AC:M/Au:N/C:N/I:P/A:N
- EPSS
- 0.42% probability · 35th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-264
- Affected
- xen/xen · fedoraproject/fedora
- Source
- cve@mitre.org
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152483.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152588.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152776.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00014.html
- http://www.securityfocus.com/bid/73068
- http://www.securitytracker.com/id/1031806Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1031919Third Party Advisory, VDB Entry
- http://xenbits.xen.org/xsa/advisory-119.htmlPatch, Vendor Advisory
- https://security.gentoo.org/glsa/201504-04
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152483.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152588.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152776.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00014.html
- http://www.securityfocus.com/bid/73068
- http://www.securitytracker.com/id/1031806Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1031919Third Party Advisory, VDB Entry
- http://xenbits.xen.org/xsa/advisory-119.htmlPatch, Vendor Advisory
- https://security.gentoo.org/glsa/201504-04
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.