Vulnerability Monitor

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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 arbitrary code or cause a denial of service (uninitialized memory access) via crafted serialized data.

Published

2017-01-11T07:59:00.143

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-119

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	php	php	< 7.0.11	Yes
Application	netapp	clustered_data_ontap	-	Yes

References

http://blog.checkpoint.com/2016/12/27/check-point-discovers-three-zero-day-vulnerabilities-web-programming-language-php-7 Third Party Advisory, VDB Entry ([email protected])
http://blog.checkpoint.com/wp-content/uploads/2016/12/PHP_Technical_Report.pdf Exploit, Technical Description, Third Party Advisory ([email protected])
http://php.net/ChangeLog-7.php Release Notes, Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/95152 Third Party Advisory, VDB Entry ([email protected])
https://bugs.php.net/bug.php?id=73257 Issue Tracking, Patch, Vendor Advisory ([email protected])
https://github.com/php/php-src/commit/61cdd1255d5b9c8453be71aacbbf682796ac77d4 Patch, Third Party Advisory ([email protected])
https://security.netapp.com/advisory/ntap-20180112-0001/ Third Party Advisory ([email protected])
https://www.youtube.com/watch?v=LDcaPstAuPk Broken Link, Third Party Advisory ([email protected])
http://blog.checkpoint.com/2016/12/27/check-point-discovers-three-zero-day-vulnerabilities-web-programming-language-php-7 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://blog.checkpoint.com/wp-content/uploads/2016/12/PHP_Technical_Report.pdf Exploit, Technical Description, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://php.net/ChangeLog-7.php Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/95152 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://bugs.php.net/bug.php?id=73257 Issue Tracking, Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/php/php-src/commit/61cdd1255d5b9c8453be71aacbbf682796ac77d4 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20180112-0001/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.youtube.com/watch?v=LDcaPstAuPk Broken Link, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)