Original 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.
Affected software
- PHP ≥ 7.0.0 < 7.0.11 Fixed in: 7.0.11 exact match
Details
- Published
- 2017-01-11
- Last modified
- 2024-08-06
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- cve.org/CVE-2016-7480
- nvd.nist.gov/vuln/detail/CVE-2016-7480
- blog.checkpoint.com/wp-content/uploads/2016/12/PHP_Technical_Report.pdf
- www.youtube.com/watch?v=LDcaPstAuPk
- bugs.php.net/bug.php?id=73257
- php.net/ChangeLog-7.php
- www.securityfocus.com/bid/95152
- github.com/php/php-src/commit/61cdd1255d5b9c8453be71aacbbf682796ac77d4
- security.netapp.com/advisory/ntap-20180112-0001/
- blog.checkpoint.com/2016/12/27/check-point-discovers-three-zero-day-vulnerabilities-web-pr...
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