National Vulnerability Database

National Vulnerability Database

National Vulnerability

CVE-2006-6383 Detail


PHP 5.2.0 and 4.4 allows local users to bypass safe_mode and open_basedir restrictions via a malicious path and a null byte before a ";" in a session_save_path argument, followed by an allowed path, which causes a parsing inconsistency in which PHP validates the allowed path but sets session.save_path to the malicious path.

Source:  MITRE      Last Modified:  12/10/2006

Quick Info

CVE Dictionary Entry:
Original release date:
Last revised:


CVSS Severity (version 2.0):
CVSS v2 Base Score:
(AV:L/AC:L/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore:
Exploitability Subscore:
CVSS Version 2 Metrics:
Access Vector:
Locally exploitable
Access Complexity:
Not required to exploit
Impact Type:
Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (12/19/2006)

We do not consider these to be security issues. For more details see and

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Hyperlink Resource Type Source Name External Source CONFIRM External Source SUSE SUSE-SA:2007:020 Exploit External Source SREASONRES 20061208 PHP 5.2.0 session.save_path safe_mode and open_basedir bypass External Source SREASON 2000 External Source MANDRIVA MDKSA-2007:038 External Source OPENPKG OpenPKG-SA-2007.010 External Source BUGTRAQ 20061208 PHP 5.2.0 session.save_path safe_mode and open_basedir bypass Exploit External Source BID 21508

Technical Details

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