CVE-2017-12932 Information
Share on:Description
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.
CVSS Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Reference
http://php.net/ChangeLog-7.php http://www.securityfocus.com/bid/100427 https://access.redhat.com/errata/RHSA-2018:1296 https://access.redhat.com/errata/RHSA-2019:2519 https://bugs.php.net/bug.php?id=74103 https://github.com/php/php-src/commit/1a23ebc1fff59bf480ca92963b36eba5c1b904c4 https://security.gentoo.org/glsa/201709-21 https://security.netapp.com/advisory/ntap-20180112-0001/ https://www.debian.org/security/2018/dsa-4080
Attack Complexity
LOW
Privileges Required
NONE
User Interaction Required
NONE
Scope
NONE
Confidentiality Impact
UNCHANGED
Integrity Impact
HIGH
Availability Impact
HIGH
Base Score
HIGH
Base Severity
9.8