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Last updated: 5/5/2015 8:22:57 AM

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Vulnerability Summary for CVE-2006-2660

Original release date: 06/13/2006
Last revised: 04/02/2010


Buffer consumption vulnerability in the tempnam function in PHP 5.1.4 and 4.x before 4.4.3 allows local users to bypass restrictions and create PHP files with fixed names in other directories via a pathname argument longer than MAXPATHLEN, which prevents a unique string from being appended to the filename.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 2.1 (LOW) (AV:L/AC:L/Au:N/C:N/I:P/A:N) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized modification

Vendor Statements (disclaimer)

Official Statement from Red Hat (08/30/2006)
This is not an issue that affects users of Red Hat Enterprise Linux. http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=196255

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External Source: XF
Name: php-tempnam-bypass(27049)
External Source: FULLDISC
Name: 20060611 tempnam() Bypass unique file name PHP 5.1.4
External Source: MANDRIVA
Name: MDKSA-2006:122
External Source: CONFIRM
Name: http://cvs.php.net/viewcvs.cgi/php-src/NEWS?view=markup&rev=1.1247.2.920.2.134
External Source: SECTRACK
Name: 1016271
External Source: UBUNTU
Name: USN-320-1
External Source: SREASON
Name: 1069
External Source: BUGTRAQ
Name: 20060611 tempnam() Bypass unique file name PHP 5.1.4

Technical Details

Vulnerability Type (View All)