OS Command Injection Affecting php55-fpm package, versions <0:5.5.26-1.103.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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Start learning- Snyk IDSNYK-AMZN201803-PHP55FPM-1687768
- published27 Sept 2021
- disclosed16 May 2016
Introduced: 16 May 2016
CVE-2015-4642 (opens in a new tab)How to fix?
Upgrade Amazon-Linux:2018.03 php55-fpm to version 0:5.5.26-1.103.amzn1 or higher.
This issue was patched in ALAS-2015-562.
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.
The escapeshellarg function in ext/standard/exec.c in PHP before 5.4.42, 5.5.x before 5.5.26, and 5.6.x before 5.6.10 on Windows allows remote attackers to execute arbitrary OS commands via a crafted string to an application that accepts command-line arguments for a call to the PHP system function.
References
- http://www.securityfocus.com/bid/75290
- http://git.php.net/?p=php-src.git;a=commit;h=d2ac264ffea5ca2e85640b6736e0c7cd4ee9a4a9
- http://php.net/ChangeLog-5.php
- https://bugs.php.net/bug.php?id=69646
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-4642
- https://security.gentoo.org/glsa/201606-10
- http://openwall.com/lists/oss-security/2015/06/18/6
- http://www.securitytracker.com/id/1032709
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=d2ac264ffea5ca2e85640b6736e0c7cd4ee9a4a9