CVE-2009-4137
Published · Updated
8Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 17%
exploitation probability
17%top 3% of all CVEs
observed exploitation
nono source reports it
The loadContentFromCookie function in core/Cookie.php in Piwik before 0.5 does not validate strings obtained from cookies before calling the unserialize function, which allows remote attackers to execute arbitrary code or upload arbitrary files via vectors related to the __destruct function in the Piwik_Config class; php://filter URIs; the __destruct functions in Zend Framework, as demonstrated by the Zend_Log destructor; the shutdown functions in Zend Framework, as demonstrated by the Zend_Log_Writer_Mail class; the render function in the Piwik_View class; Smarty templates; and the _eval function in Smarty.
Affected products
n/a · n/aReferences
http://dev.piwik.org/trac/changeset/1637http://piwik.org/blog/2009/12/piwik-response-to-shocking-news-in-php-exploitation/http://www.openwall.com/lists/oss-security/2009/12/09/2http://www.openwall.com/lists/oss-security/2009/12/10/1http://www.openwall.com/lists/oss-security/2009/12/14/2http://www.sektioneins.de/en/advisories/advisory-032009-piwik-cookie-unserialize-vulnerability/http://www.suspekt.org/2009/12/09/advisory-032009-piwik-cookie-unserialize-vulnerability/http://www.suspekt.org/downloads/POC2009-ShockingNewsInPHPExploitation.pdf