CVE-2011-3151 in SELinux

Summary

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.

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• Responsible: MITRE
• Reservation: 08/16/2011
• Moderation: VulDB entry created
• Entries: 1: VDB-133898
• CPE: ready
• CWE: CWE-693 (Confirmed)
• CVSS: 5.5
• EPSS: 0.00163
• Activities: Very Low

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2011-3151
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2011-3151
• CVE Details: https://www.cvedetails.com/cve/CVE-2011-3151/