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CVE-2006-6383

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.

Published:Dec 10, 2006

Last Modified:Apr 23, 2026

EPS:Dec 10, 2006

EPSS Score:0.00534

CVSS Score:4.6

Affected Products

Vendor

Product

Action

Vendor

Php

Product

Php

Php

Php

Exploits

http://securityreason.com/achievement_securityalert/43 http://www.securityfocus.com/bid/21508 http://securityreason.com/achievement_securityalert/43 http://www.securityfocus.com/bid/21508 https://www.exploit-db.com/exploits/29239

Common Weakness Enumeration

CWE-20 Improper Input Validation

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-10 Buffer Overflow via Environment Variables

CAPEC-101 Server Side Include (SSI) Injection

CAPEC-104 Cross Zone Scripting

CAPEC-108 Command Line Execution through SQL Injection

CAPEC-109 Object Relational Mapping Injection

CAPEC-110 SQL Injection through SOAP Parameter Tampering

CAPEC-120 Double Encoding

CAPEC-13 Subverting Environment Variable Values

CAPEC-135 Format String Injection

CAPEC-136 LDAP Injection

CAPEC-14 Client-side Injection-induced Buffer Overflow

CAPEC-153 Input Data Manipulation

CAPEC-182 Flash Injection

CAPEC-209 XSS Using MIME Type Mismatch

CAPEC-22 Exploiting Trust in Client

CAPEC-23 File Content Injection

CAPEC-230 Serialized Data with Nested Payloads

CAPEC-231 Oversized Serialized Data Payloads

CAPEC-24 Filter Failure through Buffer Overflow

CAPEC-250 XML Injection

CAPEC-261 Fuzzing for garnering other adjacent user/sensitive data

CAPEC-267 Leverage Alternate Encoding

CAPEC-28 Fuzzing

CAPEC-3 Using Leading 'Ghost' Character Sequences to Bypass Input Filters

CAPEC-31 Accessing/Intercepting/Modifying HTTP Cookies

CAPEC-42 MIME Conversion

CAPEC-43 Exploiting Multiple Input Interpretation Layers

CAPEC-45 Buffer Overflow via Symbolic Links

CAPEC-46 Overflow Variables and Tags

CAPEC-47 Buffer Overflow via Parameter Expansion

CAPEC-473 Signature Spoof

CAPEC-52 Embedding NULL Bytes

CAPEC-53 Postfix, Null Terminate, and Backslash

CAPEC-588 DOM-Based XSS

CAPEC-63 Cross-Site Scripting (XSS)

CAPEC-64 Using Slashes and URL Encoding Combined to Bypass Validation Logic

CAPEC-664 Server Side Request Forgery

CAPEC-67 String Format Overflow in syslog()

CAPEC-7 Blind SQL Injection

CAPEC-71 Using Unicode Encoding to Bypass Validation Logic

CAPEC-72 URL Encoding

CAPEC-73 User-Controlled Filename

CAPEC-78 Using Escaped Slashes in Alternate Encoding

CAPEC-79 Using Slashes in Alternate Encoding

CAPEC-8 Buffer Overflow in an API Call

CAPEC-80 Using UTF-8 Encoding to Bypass Validation Logic

CAPEC-81 Web Server Logs Tampering

CAPEC-83 XPath Injection

CAPEC-85 AJAX Footprinting

CAPEC-88 OS Command Injection

CAPEC-9 Buffer Overflow in Local Command-Line Utilities

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References

http://cvs.php.net/viewcvs.cgi/php-src/ext/session/session.c?r1=1.336.2.53.2.7&r2=1.336.2.53.2.8

http://lists.suse.com/archive/suse-security-announce/2007-Mar/0003.html

http://secunia.com/advisories/24022

http://secunia.com/advisories/24514

http://securityreason.com/achievement_securityalert/43

http://securityreason.com/securityalert/2000

http://www.mandriva.com/security/advisories?name=MDKSA-2007:038

http://www.openpkg.com/security/advisories/OpenPKG-SA-2007.010.html

http://www.securityfocus.com/archive/1/453938/30/9270/threaded

http://www.securityfocus.com/bid/21508

http://cvs.php.net/viewcvs.cgi/php-src/ext/session/session.c?r1=1.336.2.53.2.7&r2=1.336.2.53.2.8

http://lists.suse.com/archive/suse-security-announce/2007-Mar/0003.html

http://secunia.com/advisories/24022

http://secunia.com/advisories/24514

http://securityreason.com/achievement_securityalert/43

http://securityreason.com/securityalert/2000

http://www.mandriva.com/security/advisories?name=MDKSA-2007:038

http://www.openpkg.com/security/advisories/OpenPKG-SA-2007.010.html

http://www.securityfocus.com/archive/1/453938/30/9270/threaded

http://www.securityfocus.com/bid/21508

Common Vulnerability Scoring System

Attack Vector

Network

Adjacent

Local

Physical

Privileges Required

None

Low

High

User Interaction

None

Required

Scope

Unchanged

Changed

Confidentiality

None

Low

High

Integrity

None

Low

High

Availability

None

Low

High