CVE-2006-3017
HIGH severity · CVSS 9.3
9.3CVSS HIGH
Summary
zend_hash_del_key_or_index in zend_hash.c in PHP before 4.4.3 and 5.x before 5.1.3 can cause zend_hash_del to delete the wrong element, which prevents a variable from being unset even when the PHP unset function is called, which might cause the variable's value to be used in security-relevant operations.
Impact & exploitability
Attack vectorNetwork
Attack complexity—
Privileges required—
User interaction—
Confidentiality impact—
Integrity impact—
Availability impact—
Exploit probability (EPSS)4%
AV:N/AC:M/Au:N/C:C/I:C/A:C
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://secunia.com/advisories/19927Advisory
- http://secunia.com/advisories/21031Advisory
- http://secunia.com/advisories/21050Advisory
- ftp://patches.sgi.com/support/free/security/advisories/20060701-01-U
- http://archives.neohapsis.com/archives/fulldisclosure/2006-08/0166.html
- http://cvs.php.net/viewcvs.cgi/Zend/zend_hash.c?hideattic=0&r1=1.87.4.8.2.1&r2=1.87.4.8.2.2
- http://cvs.php.net/viewcvs.cgi/Zend/zend_hash.c?hideattic=0&view=log
- http://rhn.redhat.com/errata/RHSA-2006-0549.html