SB2015031805 - Permissions, Privileges, and Access Controls in Fedoraproject Fedora
Published: March 18, 2015 Updated: August 9, 2020
Security Bulletin ID
SB2015031805
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2015-2152)
The vulnerability allows a remote non-authenticated attacker to manipulate data.
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.
Remediation
Install update from vendor's website.
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