VulnerabilityModified
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…
MEDIUM 4.6EPSS 0.86%
Does this matter?
Lower severity and a low EPSS score (0.86%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 2.0
- 4.6 MEDIUMAV:L/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 0.86% probability · 57th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-264
- Affected
- x.org/x server · canonical/ubuntu linux · debian/debian linux · ubuntu/linux
- Source
- secalert@redhat.com
References
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=652249Vendor Advisory
- http://www.debian.org/security/2011/dsa-2364Vendor Advisory
- http://www.ubuntu.com/usn/USN-1349-1Vendor Advisory
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=652249Vendor Advisory
- http://www.debian.org/security/2011/dsa-2364Vendor Advisory
- http://www.ubuntu.com/usn/USN-1349-1Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.