Double Free Affecting php55-fpm package, versions <0:5.5.38-1.116.amzn1
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-AMZN201803-PHP55FPM-1699567
- published27 Sept 2021
- disclosed7 Aug 2016
Introduced: 7 Aug 2016
CVE-2016-5768 (opens in a new tab)How to fix?
Upgrade Amazon-Linux:2018.03 php55-fpm to version 0:5.5.38-1.116.amzn1 or higher.
This issue was patched in ALAS-2016-728.
NVD Description
Note: Versions mentioned in the description apply only to the upstream php55-fpm package and not the php55-fpm package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.
Double free vulnerability in the _php_mb_regex_ereg_replace_exec function in php_mbregex.c in the mbstring extension in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) by leveraging a callback exception.
References
- http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html
- http://www.securityfocus.com/bid/91396
- http://github.com/php/php-src/commit/5b597a2e5b28e2d5a52fc1be13f425f08f47cb62?w=1
- http://php.net/ChangeLog-5.php
- http://php.net/ChangeLog-7.php
- https://bugs.php.net/bug.php?id=72402
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
- https://support.apple.com/HT207170
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5768
- http://www.debian.org/security/2016/dsa-3618
- http://www.openwall.com/lists/oss-security/2016/06/23/4
- http://rhn.redhat.com/errata/RHSA-2016-2598.html
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00004.html
- http://lists.opensuse.org/opensuse-updates/2016-08/msg00003.html