CVE-2017-12932
high-risk
Published 2017-08-18
ext/standard/var_unserializer.re in PHP 7.0.x through 7.0.22 and 7.1.x through 7.1.8 is prone to a heap use after free while unserializing untrusted data, related to improper use of the hash API for key deletion in a situation with an invalid array size. Exploitation of this issue can have an unspecified impact on the integrity of PHP.
Do I need to act?
~
2.3% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10
Critical
NETWORK
/ LOW complexity
Affected Products (20)
Affected Vendors
References (18)
Release Notes
http://php.net/ChangeLog-7.php
Third Party Advisory
http://www.securityfocus.com/bid/100427
Issue Tracking
https://bugs.php.net/bug.php?id=74103
Release Notes
http://php.net/ChangeLog-7.php
Third Party Advisory
http://www.securityfocus.com/bid/100427
Issue Tracking
https://bugs.php.net/bug.php?id=74103
60
/ 100
high-risk
Severity
32/34 · Critical
Exploitability
5/34 · Minimal
Exposure
23/34 · High