CVE-2009-4137
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. Limited direct impact.
- Exploit odds
- 16.9% chance of exploitation in the next 30 days (EPSS). Higher than most.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 16.9% in the next 30 days (EPSS).
- Severity: 7.5 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 16.9% · EPSS, next 30 days
- Weakness
- CWE-20 · Improper input validation
- Record status
- Modified
Affected
- Matomo 0.2.25
- Matomo 0.2.26
- Matomo 0.2.27
- Matomo 0.2.28
- Matomo 0.2.29
- Matomo 0.2.30
- Matomo 0.2.31
- Matomo 0.2.32
Attack profile CVSS 2.0 · 7.5
- Attack vector
- Network
- Complexity
- Low
- Authentication
- None
- Confidentiality
- Partial
- Integrity
- Partial
- Availability
- Partial
Raw vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2009-4137.md and follow it. Check whether this project is affected by CVE-2009-4137. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://dev.piwik.org/trac/changeset/1637
- http://piwik.org/blog/2009/12/piwik-response-to-shocking-news-in-php-exploitation/
- http://dev.piwik.org/trac/changeset/1637
- http://piwik.org/blog/2009/12/piwik-response-to-shocking-news-in-php-exploitation/
References
- http://dev.piwik.org/trac/changeset/1637
- http://piwik.org/blog/2009/12/piwik-response-to-shocking-news-in-php-exploitation/
- http://www.openwall.com/lists/oss-security/2009/12/09/2
- http://www.openwall.com/lists/oss-security/2009/12/10/1
- http://www.openwall.com/lists/oss-security/2009/12/14/2
- http://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
- http://dev.piwik.org/trac/changeset/1637
- http://piwik.org/blog/2009/12/piwik-response-to-shocking-news-in-php-exploitation/
- http://www.openwall.com/lists/oss-security/2009/12/09/2
- http://www.openwall.com/lists/oss-security/2009/12/10/1
- http://www.openwall.com/lists/oss-security/2009/12/14/2
- http://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