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Vulnerability Details : CVE-2005-4351

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.
Publish Date : 2005-12-31 Last Update Date : 2008-09-05
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- CVSS Scores & Vulnerability Types

CVSS Score
4.3
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Single system (The vulnerability requires an attacker to be logged into the system (such as at a command line or via a desktop session or web interface).)
Gained Access None
Vulnerability Type(s) Bypass a restriction or similar
CWE ID CWE id is not defined for this vulnerability

- Products Affected By CVE-2005-4351

# Product Type Vendor Product Version Update Edition Language
1 OS Dragonfly Dragonfly 1.2 Version Details Vulnerabilities
2 OS Freebsd Freebsd 6.0 Stable Version Details Vulnerabilities
3 OS Freebsd Freebsd 7.0 Current Version Details Vulnerabilities
4 OS Linux Linux Kernel 2.6.15 Version Details Vulnerabilities
5 OS Openbsd Openbsd 3.8 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Dragonfly Dragonfly 1
Freebsd Freebsd 2
Linux Linux Kernel 1
Openbsd Openbsd 1

- References For CVE-2005-4351

http://xforce.iss.net/xforce/xfdb/24037
XF bsd-securelevel-immutable-file-bypass(24037)
http://archives.neohapsis.com/archives/openbsd/2005-10/1523.html
http://lists.grok.org.uk/pipermail/full-disclosure/2006-January/041177.html
FULLDISC 20060109 BSD Securelevels: Circumventing protection of files flagged immutable
http://www.redteam-pentesting.de/advisories/rt-sa-2005-015.txt

- Metasploit Modules Related To CVE-2005-4351

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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