Description
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.
Remediation
References
Related Vulnerabilities
Moodle Permissions, Privileges, and Access Controls Vulnerability (CVE-2014-2572)
WordPress Plugin MathJax-LaTeX Cross-Site Request Forgery (1.1)
PostgreSQL Resource Management Errors Vulnerability (CVE-2007-4772)
PostgreSQL Incorrect Permission Assignment for Critical Resource Vulnerability (CVE-2018-1115)