Published: 31/12/2005 Updated: 20/07/2017

CVSS v2 Base Score: 4.3 | Impact Score: 6.4 | Exploitability Score: 3.1

VMScore: 383

Vector: AV:L/AC:L/Au:S/C:P/I:P/A:P

The securelevels implementation in FreeBSD 7.0 and previous versions, 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 Product	Search on Vulmon	Subscribe to Product
freebsd freebsd 7.0
dragonfly dragonfly
openbsd openbsd
freebsd freebsd
linux linux kernel

BSD Securelevels can be circumvented at runtime By mounting another filesystem, immutable files can be masked Masking means placing an arbitrary file at the location of an immutable file, without changing the immutable file itself Details on how this can be exploited are included ...

NVD-CWE-Other http://lists.grok.org.uk/pipermail/full-disclosure/2006-January/041177.html http://www.redteam-pentesting.de/advisories/rt-sa-2005-15.txt http://archives.neohapsis.com/archives/openbsd/2005-10/1523.html http://www.redteam-pentesting.de/advisories/rt-sa-2005-015.txt https://exchange.xforce.ibmcloud.com/vulnerabilities/24037 https://nvd.nist.gov https://packetstormsecurity.com/files/42925/rt-sa-2005-15.txt.html

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CVE-2005-4351

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