Vulnerability in X.org X Server
CVE-2011-4613
The X.Org X wrapper (xserver-wrapper.c) in Debian GNU/Linux and Ubuntu Linux does not properly verify the TTY of a user who is starting X, which allows local users to bypass intended access restrictions by associating stdin with a file that is misinterpreted as the console TTY.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.6 (Medium). Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.009 (58.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- X.org X Server
- Canonical Ubuntu Linux — versions 10.04, 10.10, 11.04
- Debian Linux
- Ubuntu Linux
Weakness classification (CWE)
References
- bugs.debian.org/cgi-bin/bugreport.cgi (Vendor Advisory)
- www.ubuntu.com/usn/USN-1349-1 (vendor-advisory, Vendor Advisory)
- www.debian.org/security/2011/dsa-2364 (vendor-advisory, Vendor Advisory)