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CVE-2011-3151

MEDIUMCVSS 5.2/10EPSS 0.60%

Last modified

CVE-2011-3151 is a medium-severity vulnerability rated 5.2/10 on the CVSS scale. The Ubuntu SELinux initscript before version 1:0.10 used touch to create a lockfile in a world-writable directory. If the OS kernel does not have symlink protections then an attacker can cause a zero byte file to be allocated on any writable filesystem.. EPSS estimates a 0.60% chance of exploitation in the next 30 days.

Description

The Ubuntu SELinux initscript before version 1:0.10 used touch to create a lockfile in a world-writable directory. If the OS kernel does not have symlink protections then an attacker can cause a zero byte file to be allocated on any writable filesystem.

Metrics

CVSS 3.0
5.2/10

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L

EPSS Probability
0.60%

44.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CanonicalSelinux< 1\:0.10

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-3151?
The Ubuntu SELinux initscript before version 1:0.10 used touch to create a lockfile in a world-writable directory. If the OS kernel does not have symlink protections then an attacker can cause a zero byte file to be allocated on any writable filesystem.
How severe is CVE-2011-3151?
CVE-2011-3151 has a CVSS score of 5.2/10 (MEDIUM severity). The EPSS model estimates a 0.60% probability of exploitation in the next 30 days.
How do I fix CVE-2011-3151?
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.

How Strix Helps

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Source: NVD / NIST