CVE-2015-2152
First published: Wed Mar 18 2015(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Xen XAPI | <=4.5.0 | |
| Fedora | =20 | |
| Fedora | =21 | |
| Fedora | =22 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- 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
Frequently Asked Questions
What is the severity of CVE-2015-2152?
The severity of CVE-2015-2152 is classified as medium, due to the potential for unauthorized access to the VGA console by local guest users.
How do I fix CVE-2015-2152?
To fix CVE-2015-2152, upgrade to a version of Xen later than 4.5.0 that disables default backends for VGA device emulation.
Who is affected by CVE-2015-2152?
CVE-2015-2152 affects Xen versions 4.5.x and earlier, as well as Fedora versions 20, 21, and 22.
What are the implications of CVE-2015-2152?
The implications of CVE-2015-2152 include the risk of local guest users gaining unauthorized access to sensitive information displayed on the VGA console.
Is CVE-2015-2152 a local or remote vulnerability?
CVE-2015-2152 is a local vulnerability that requires access to the guest environment to exploit.
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/last-modified-date
- agent/remedy
- agent/author
- agent/references
- agent/severity
- agent/event
- agent/description
- agent/first-publish-date
- agent/source
- agent/tags
- agent/softwarecombine
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/xen
- canonical/xen xapi
- version/xen xapi/4.5.0
- vendor/fedoraproject
- canonical/fedora
- version/fedora/20
- version/fedora/21
- version/fedora/22