CVE-2016-7417
CRITICAL severity · CVSS 9.8 · Improper input validation
9.8CVSS CRITICAL
Summary
ext/spl/spl_array.c in PHP before 5.6.26 and 7.x before 7.0.11 proceeds with SplArray unserialization without validating a return value and data type, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted serialized data.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)7%
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://github.com/php/php-src/commit/ecb7f58a069be0dec4a6131b6351a761f808f22e?w=1 ↗
Additional information
- NVD record
- https://github.com/php/php-src/commit/ecb7f58a069be0dec4a6131b6351a761f808f22e?w=1Patch
- http://www.openwall.com/lists/oss-security/2016/09/15/10
- http://www.php.net/ChangeLog-5.php
- http://www.php.net/ChangeLog-7.php
- http://www.securityfocus.com/bid/93007
- http://www.securitytracker.com/id/1036836
- https://access.redhat.com/errata/RHSA-2018:1296
- https://bugs.php.net/bug.php?id=73029Exploit