CVE-2015-2152

LOW

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.

References

http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152483.html

http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152588.html

http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152776.html

http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00014.html

http://www.securityfocus.com/bid/73068

http://www.securitytracker.com/id/1031806

http://www.securitytracker.com/id/1031919

http://xenbits.xen.org/xsa/advisory-119.html

https://security.gentoo.org/glsa/201504-04

Details

Source: MITRE

Published: 2015-03-18

Updated: 2018-10-30

Type: CWE-264

Risk Information

CVSS v2.0

Base Score: 1.9

Vector: AV:L/AC:M/Au:N/C:N/I:P/A:N

Impact Score: 2.9

Exploitability Score: 3.4

Severity: LOW