Use After Free Affecting rh-php70-php-pgsql package, versions <0:7.0.27-1.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-RHPHP70PHPPGSQL-4742059
- published26 Jul 2021
- disclosed27 Dec 2016
Introduced: 27 Dec 2016
CVE-2016-7479 (opens in a new tab)How to fix?
Upgrade RHEL:7 rh-php70-php-pgsql to version 0:7.0.27-1.el7 or higher.
This issue was patched in RHSA-2018:1296.
NVD Description
Note: Versions mentioned in the description apply only to the upstream rh-php70-php-pgsql package and not the rh-php70-php-pgsql package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
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.
References
- http://www.securityfocus.com/bid/95151
- https://security.netapp.com/advisory/ntap-20180112-0001/
- https://access.redhat.com/security/cve/CVE-2016-7479
- http://blog.checkpoint.com/2016/12/27/check-point-discovers-three-zero-day-vulnerabilities-web-programming-language-php-7
- http://blog.checkpoint.com/wp-content/uploads/2016/12/PHP_Technical_Report.pdf
- https://bugs.php.net/bug.php?id=73092
- https://www.youtube.com/watch?v=LDcaPstAuPk
- https://access.redhat.com/errata/RHSA-2018:1296
- http://www.securitytracker.com/id/1037659