PHP safe_mode protection bypass
Published:		23.06.2008
Source:		FULL-DISCLOSURE
SecurityVulns ID:		9106
Type:		local
Level:		5/10
Description:		Protection bypass with posix_access(), chdir(), ftok() functions.

Affected:		PHP : PHP 5.2
CVE:		CVE-2008-2666 (Multiple directory traversal vulnerabilities in PHP 5.2.6 and earlier allow context-dependent attackers to bypass safe_mode restrictions by creating a subdirectory named http: and then placing ../ (dot dot slash) sequences in an http URL argument to the (1) chdir or (2) ftok function.)
		CVE-2008-2665 (Directory traversal vulnerability in the posix_access function in PHP 5.2.6 and earlier allows remote attackers to bypass safe_mode restrictions via a .. (dot dot) in an http URL, which results in the URL being canonicalized to a local filename after the safe_mode check has successfully run.)

Original document		Maksymilian Arciemowicz, [Full-disclosure] PHP 5.2.6 posix_access() (posix ext) safe_mode bypass (23.06.2008)
		Maksymilian Arciemowicz, [Full-disclosure] PHP 5.2.6 chdir(), ftok() (standard ext) safe_mode bypass (23.06.2008)

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