Description

The finish_nested_data function in ext/standard/var_unserializer.re in PHP before 5.6.31, 7.0.x before 7.0.21, and 7.1.x before 7.1.7 is prone to a buffer over-read while unserializing untrusted data. Exploitation of this issue can have an unspecified impact on the integrity of PHP.

Remediation

References

CVE-2017-12933

Related Vulnerabilities

MySQL CVE-2022-21308 Vulnerability (CVE-2022-21308)

WordPress Plugin BuddyPress Multiple Vulnerabilities (9.0.0)

PHP Numeric Errors Vulnerability (CVE-2007-2872)

WordPress Plugin Contact Form & SMTP Plugin for WordPress by PirateForms Cross-Site Scripting (2.5.1)

Joomla Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2007-5577)

Severity

Critical

Classification

CVE-2017-12933 CWE-125 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Tags

Missing Update Known Vulnerabilities