PT-2013-12: open_basedir bypass in PHP Vulnerable softwarePHP Version: 5.4.12/5.3.22 and earlierApplication link: http://php.net/Severity levelSeverity level: High Impact: open_basedir bypass Access Vector: Remote CVSS v2: Base Score: 7.5 Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P)CVE: CVE-2013-1635 Software descriptionPHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.Vulnerability descriptionThe specialists of Positive Technologies have detected bypass of the configuration directive "open_basedir" in PHP.The vulnerability was detected in the PHP's built-in SoapClient class. PHP does not validate the configration directive "soap.wsdl_cache_dir" before writing SOAP wsdl cache files to the filesystem. Thus an attacker is able to write remote wsdl files to arbitrary locations.How to fixUpdate your software up to the latest version.Advisory status 07.02.2013 - Vendor gets vulnerability details 14.03.2013 - Vendor releases fixed version and details 19.03.2013 - Public disclosureCreditsThe vulnerability was discovered by Arseniy Reutov, Positive Research Center (Positive Technologies Company)Referenceshttp://en.securitylab.ru/lab/PT-2013-12 Reports on the vulnerabilities previously discovered by Positive Research:http://ptsecurity.com/research/advisory/ http://en.securitylab.ru/lab/
