CVE-2011-4613

UnknownEPSS 0.86%

Last modified

CVE-2011-4613 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.86% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.86%

53.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
X.OrgX ServerAll versions
CanonicalUbuntu Linux10.04
CanonicalUbuntu Linux10.10
CanonicalUbuntu Linux11.04
CanonicalUbuntu Linux11.10
DebianDebian LinuxAll versions
UbuntuLinuxAll versions

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2011-4613?
Severity scoring for CVE-2011-4613 is pending analysis. The EPSS model estimates a 0.86% probability of exploitation in the next 30 days.
How do I fix CVE-2011-4613?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-4613?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST