Use After Free Affecting rh-php71-php-ldap package, versions <0:7.1.30-1.el7
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL7-RHPHP71PHPLDAP-4800519
- published1 Nov 2021
- disclosed20 Feb 2017
Introduced: 20 Feb 2017
CVE-2017-12932 (opens in a new tab)How to fix?
Upgrade RHEL:7 rh-php71-php-ldap to version 0:7.1.30-1.el7 or higher.
This issue was patched in RHSA-2019:2519.
NVD Description
Note: Versions mentioned in the description apply only to the upstream rh-php71-php-ldap package and not the rh-php71-php-ldap package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
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.
References
- http://www.securityfocus.com/bid/100427
- http://php.net/ChangeLog-7.php
- https://bugs.php.net/bug.php?id=74103
- https://github.com/php/php-src/commit/1a23ebc1fff59bf480ca92963b36eba5c1b904c4
- https://security.netapp.com/advisory/ntap-20180112-0001/
- https://access.redhat.com/security/cve/CVE-2017-12932
- https://www.debian.org/security/2018/dsa-4080
- https://security.gentoo.org/glsa/201709-21
- https://access.redhat.com/errata/RHSA-2019:2519