Description
PHP 5 before 5.2.7 does not enforce the error_log safe_mode restrictions when safe_mode is enabled through a php_admin_flag setting in httpd.conf, which allows context-dependent attackers to write to arbitrary files by placing a "php_value error_log" entry in a .htaccess file.
Remediation
References
Related Vulnerabilities
jQuery Validation Uncontrolled Resource Consumption Vulnerability (CVE-2021-21252)
IBM WebSEAL Observable Differences in Behavior to Error Inputs Vulnerability (CVE-2020-4661)
WordPress Plugin Controlled Admin Access Security Bypass (1.5.5)
WordPress Plugin Newsletter-Send awesome emails from WordPress Open Redirect (3.7.0)