Critical severity · published Jan 11, 2017
CVE-2016-7480
The SplObjectStorage unserialize implementation in ext/spl/spl_observer.c in PHP before 7.0.12 does not verify that a key is an object, which allows remote attackers to execute…
9.8
CVSS
41.6%
EPSS
No
On KEV
Description
The SplObjectStorage unserialize implementation in ext/spl/spl_observer.c in PHP before 7.0.12 does not verify that a key is an object, which allows remote attackers to execute arbitrary code or cause a denial of service (uninitialized memory access) via crafted serialized data.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)41.6% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PH
PHP · PHP
7.0.0 before 7.0.11 · source: NVD
CD
Clustered Data Ontap · Netapp
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-7480
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-7480
Third Party Advisory
http://blog.checkpoint.com/2016/12/27/check-point-discovers-three-zero-day-vulnerabilities-web-programming-language-php-7
Exploit
http://blog.checkpoint.com/wp-content/uploads/2016/12/PHP_Technical_Report.pdf
Release Notes
http://php.net/ChangeLog-7.php
Third Party Advisory
http://www.securityfocus.com/bid/95152
Issue Tracking
https://bugs.php.net/bug.php?id=73257
Patch
https://github.com/php/php-src/commit/61cdd1255d5b9c8453be71aacbbf682796ac77d4
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