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)…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 41.6%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
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 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 41.56% probability · 99th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- php/php · netapp/clustered data ontap
- Source
- cve@checkpoint.com
References
- http://blog.checkpoint.com/2016/12/27/check-point-discovers-three-zero-day-vulnerabilities-web-programming-language-php-7Third Party Advisory, VDB Entry
- http://blog.checkpoint.com/wp-content/uploads/2016/12/PHP_Technical_Report.pdfExploit, Technical Description, Third Party Advisory
- http://php.net/ChangeLog-7.phpRelease Notes, Vendor Advisory
- http://www.securityfocus.com/bid/95152Third Party Advisory, VDB Entry
- https://bugs.php.net/bug.php?id=73257Issue Tracking, Patch, Vendor Advisory
- https://github.com/php/php-src/commit/61cdd1255d5b9c8453be71aacbbf682796ac77d4Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20180112-0001/Third Party Advisory
- https://www.youtube.com/watch?v=LDcaPstAuPkBroken Link, Third Party Advisory
- http://blog.checkpoint.com/2016/12/27/check-point-discovers-three-zero-day-vulnerabilities-web-programming-language-php-7Third Party Advisory, VDB Entry
- http://blog.checkpoint.com/wp-content/uploads/2016/12/PHP_Technical_Report.pdfExploit, Technical Description, Third Party Advisory
- http://php.net/ChangeLog-7.phpRelease Notes, Vendor Advisory
- http://www.securityfocus.com/bid/95152Third Party Advisory, VDB Entry
- https://bugs.php.net/bug.php?id=73257Issue Tracking, Patch, Vendor Advisory
- https://github.com/php/php-src/commit/61cdd1255d5b9c8453be71aacbbf682796ac77d4Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20180112-0001/Third Party Advisory
- https://www.youtube.com/watch?v=LDcaPstAuPkBroken Link, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.