CVE-2014-3669
HIGH severity · CVSS 7.5 · CWE-189
7.5CVSS HIGH
Summary
Integer overflow in the object_custom function in ext/standard/var_unserializer.c in PHP before 5.4.34, 5.5.x before 5.5.18, and 5.6.x before 5.6.2 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via an argument to the unserialize function that triggers calculation of a large length value.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impact—
Integrity impact—
Availability impact—
Exploit probability (EPSS)29%
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://git.php.net/?p=php-src.git%3Ba=commit%3Bh=56754a7f9eba0e4f559b6ca081d9f2a447b3f159
- http://linux.oracle.com/errata/ELSA-2014-1767.html
- http://linux.oracle.com/errata/ELSA-2014-1768.html
- http://lists.apple.com/archives/security-announce/2015/Apr/msg00001.html
- http://lists.opensuse.org/opensuse-updates/2014-11/msg00024.html
- http://lists.opensuse.org/opensuse-updates/2014-11/msg00034.html
- http://lists.opensuse.org/opensuse-updates/2015-01/msg00006.html
- http://php.net/ChangeLog-5.php