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Overview

Vulnerability Score 4.3 4.3
CVE Id CVE-2005-4351
Last Modified 05 Sep 2008 04:56:40
Published 31 Dec 2005 12:00:00
Confidentiality Impact PARTIAL PARTIAL
Integrity Impact PARTIAL PARTIAL
Availability Impact PARTIAL PARTIAL
Access Vector LOCAL
Access Complexity LOW
Authentication SINGLE_INSTANCE

CVE-2005-4351

Summary

The securelevels implementation in FreeBSD 7.0 and earlier, OpenBSD up to 3.8, DragonFly up to 1.2, and Linux up to 2.6.15 allows root users to bypass immutable settings for files by mounting another filesystem that masks the immutable files while the system is running.

Vulnerable Systems

Operating System

  • Dragonfly 1.2

  • Freebsd 6.0

  • Freebsd 7.0

  • Linux Kernel 2.6.15

  • Openbsd 3.8


References

MISC - http://www.redteam-pentesting.de/advisories/rt-sa-2005-015.txt

FULLDISC - 20060109 BSD Securelevels: Circumventing protection of files flagged immutable

MISC - http://archives.neohapsis.com/archives/openbsd/2005-10/1523.html

XF - bsd-securelevel-immutable-file-bypass(24037)


Last Updated: 27 May 2016 10:41:16