9.8crit

CVE-2016-7479in critical feed

In all versions of PHP 7, during the unserialization process, resizing the 'properties' hash table of a serialized object may lead to use-a…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
9.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
41.7%
percentile 99%
Public exploits
0
none known

Summary

In all versions of PHP 7, during the unserialization process, resizing the 'properties' hash table of a serialized object may lead to use-after-free. A remote attacker may exploit this bug to gain arbitrary code execution.

Exploit prediction (EPSS)

41.67% probability of exploitation in the next 30 days, higher than 99% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.09.8CVSS:3.0/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 7.x

Classification

Weakness
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=73092 · x_refsource_MISC, x_transferred
  • access.redhat.com /errata/RHSA-2018:1296 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • security.netapp.com /advisory/ntap-20180112-0001/ · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/95151 · vdb-entry, x_refsource_BID, x_transferred
  • securitytracker.com /id/1037659 · vdb-entry, x_refsource_SECTRACK, 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.