Path traversal in PHP - CVE-2008-2665
Published: October 11, 2018 / Updated: June 8, 2025
Vulnerability identifier: #VU110342
CSH Severity: Medium
CVSS v4.0:
CVE-ID: CVE-2008-2665
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: PHP Group
Affected software:
PHP
PHP
Detailed vulnerability description
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences in the posix_access function in PHP 5.2.6 and earlier. A remote authenticated attacker can send a specially crafted HTTP request and 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.
How to mitigate CVE-2008-2665
Install update from vendor's website.
Sources
- http://lists.apple.com/archives/security-announce/2009/May/msg00002.html
- http://marc.info/?l=bugtraq&m=124654546101607&w=2
- http://marc.info/?l=bugtraq&m=125631037611762&w=2
- http://secunia.com/advisories/32746
- http://secunia.com/advisories/35074
- http://secunia.com/advisories/35650
- http://security.gentoo.org/glsa/glsa-200811-05.xml
- http://securityreason.com/achievement_securityalert/54
- http://securityreason.com/securityalert/3941
- http://support.apple.com/kb/HT3549
- http://wiki.rpath.com/Advisories:rPSA-2009-0035
- http://www.securityfocus.com/archive/1/501376/100/0/threaded
- http://www.securityfocus.com/bid/29797
- http://www.securitytracker.com/id?1020327
- http://www.us-cert.gov/cas/techalerts/TA09-133A.html
- http://www.vupen.com/english/advisories/2009/1297
- https://exchange.xforce.ibmcloud.com/vulnerabilities/43196