9.8crit

CVE-2016-7480in critical feed

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, whi…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
9.8
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
41.6%
percentile 99%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

41.56% probability of exploitation in the next 30 days, higher than 99% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.19.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • n/a PHP before 7.0.12

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
Technology feeds
PHP (RSS, critical only)

References

  • blog.checkpoint.com /wp-content/uploads/2016/12/PHP_Technical_Report.pdf · x_refsource_MISC, x_transferred
  • youtube.com /watch?v=LDcaPstAuPk · x_refsource_MISC, x_transferred
  • bugs.php.net /bug.php?id=73257 · x_refsource_MISC, x_transferred
  • php.net /ChangeLog-7.php · x_refsource_MISC, x_transferred
  • securityfocus.com /bid/95152 · vdb-entry, x_refsource_BID, x_transferred
  • github.com /php/php-src/commit/61cdd1255d5b9c8453be71aacbbf682796ac77d4 · x_refsource_MISC, x_transferred
  • security.netapp.com /advisory/ntap-20180112-0001/ · x_refsource_CONFIRM, x_transferred
  • blog.checkpoint.com /2016/12/27/check-point-discovers-three-zero-day-vulnerabilities-web-programming-language- · x_refsource_MISC, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.