CVE-2009-4143

Description

PHP before 5.2.12 does not properly handle session data, which has unspecified impact and attack vectors related to (1) interrupt corruption of the SESSION superglobal array and (2) the session.save_path directive.

10.0

CVSS

Severity: Critical

CVSS 2.0 •

EPSS 8.14% Top 10%

Vendor Advisory marc.info Vendor Advisory apple.com Vendor Advisory hp.com Vendor Advisory mandriva.com Vendor Advisory debian.org Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory php.net Vendor Advisory vupen.com

Affected: n/a n/a

References

Link	Tags
http://www.php.net/releases/5_2_12.php	vendor advisory
http://secunia.com/advisories/40262	third party advisory vendor advisory
http://www.securityfocus.com/bid/37390	vdb entry
http://marc.info/?l=bugtraq&m=127680701405735&w=2	vendor advisory
http://secunia.com/advisories/37821	third party advisory vendor advisory
http://secunia.com/advisories/38648	third party advisory vendor advisory
http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html	vendor advisory
http://secunia.com/advisories/41490	third party advisory vendor advisory
http://www.itrc.hp.com/service/cki/docDisplay.do?docId=emr_na-c02512995	vendor advisory
http://www.php.net/ChangeLog-5.php
http://www.mandriva.com/security/advisories?name=MDVSA-2010:045	vendor advisory
http://support.apple.com/kb/HT4077
http://www.vupen.com/english/advisories/2009/3593	vdb entry vendor advisory
http://www.debian.org/security/2010/dsa-2001	vendor advisory
http://secunia.com/advisories/41480	third party advisory vendor advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7439	vdb entry signature

Frequently Asked Questions

What is the severity of CVE-2009-4143?: CVE-2009-4143 has been scored as a critical severity vulnerability.
How to fix CVE-2009-4143?: To fix CVE-2009-4143, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2009-4143 being actively exploited in the wild?: It is possible that CVE-2009-4143 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~8% probability that this vulnerability will be exploited by malicious actors in the next 30 days.