Missing Authorization in PHP - CVE-2006-4483
Published: July 19, 2022 / Updated: June 8, 2025
Vulnerability identifier: #VU110473
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2006-4483
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
The cURL extension files (1) ext/curl/interface.c and (2) ext/curl/streams.c in PHP before 5.1.5 permit the CURLOPT_FOLLOWLOCATION option when open_basedir or safe_mode is enabled, which allows attackers to perform unauthorized actions, possibly related to the realpath cache.
Affected software
PHP
How to mitigate CVE-2006-4483
Install update from vendor's website.
PHP - update to 5.1.5
External References
- http://cvs.php.net/viewcvs.cgi/php-src/ext/curl/interface.c?r1=1.62.2.14.2.6&r2=1.62.2.14.2.7
- http://cvs.php.net/viewvc.cgi/php-src/ext/curl/streams.c?r1=1.14.2.2.2.3&r2=1.14.2.2.2.4
- http://cvs.php.net/viewcvs.cgi/php-src/ext/curl/interface.c?view=log
- http://www.php.net/ChangeLog-5.php#5.1.5
- http://www.php.net/release_5_1_5.php
- http://secunia.com/advisories/21546
- http://www.novell.com/linux/security/advisories/2006_52_php.html
- http://securitytracker.com/id?1016984
- http://www.securityfocus.com/bid/19582
- http://secunia.com/advisories/22039
- http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0178
- http://secunia.com/advisories/30411
- http://www.vupen.com/english/advisories/2006/3318
- http://www.securityfocus.com/archive/1/492671/100/0/threaded