CVE-2011-1148
HIGH severity · CVSS 7.5 · CWE-399
7.5CVSS HIGH
Summary
Use-after-free vulnerability in the substr_replace function in PHP 5.3.6 and earlier allows context-dependent attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact by using the same variable for multiple arguments.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impact—
Integrity impact—
Availability impact—
Exploit probability (EPSS)5%
AV:N/AC:L/Au:N/C:P/I:P/A:P
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://bugs.php.net/bug.php?id=54238
- http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html
- http://marc.info/?l=bugtraq&m=133469208622507&w=2
- http://openwall.com/lists/oss-security/2011/03/13/2
- http://openwall.com/lists/oss-security/2011/03/13/3
- http://openwall.com/lists/oss-security/2011/03/13/9
- http://support.apple.com/kb/HT5130
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:165