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CVE-2016-1904

7.3 · HIGH

Multiple integer overflows in ext/standard/exec.c in PHP 7.x before 7.0.2 allow remote attackers to cause a denial of service or possibly have unspecified other impact via a long string to the (1)…

Published Jan 19, 2016CWE-189EPSS 2.73%

Overview

CVE-2016-1904 is a high-severity vulnerability. It was published on January 19, 2016 and has a CVSS 3.0 base score of 7.3 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Multiple integer overflows in ext/standard/exec.c in PHP 7.x before 7.0.2 allow remote attackers to cause a denial of service or possibly have unspecified other impact via a long string to the (1) php_escape_shell_cmd or (2) php_escape_shell_arg function, leading to a heap-based buffer overflow.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.openwall.com/lists/oss-security/2016/01/14/8Refwww.php.net/ChangeLog-7.phpRefwww.securitytracker.com/id/1034608Refbugs.php.net/bug.php?id=71270GitHubgithub.com/php/php-src/commit/2871c70efaaaa0f102557a17c727fd4d5204dd4bRefwww.openwall.com/lists/oss-security/2016/01/14/8Refwww.php.net/ChangeLog-7.phpRefwww.securitytracker.com/id/1034608Refbugs.php.net/bug.php?id=71270GitHubgithub.com/php/php-src/commit/2871c70efaaaa0f102557a17c727fd4d5204dd4b

How CyberStrike helps

Frequently asked questions

What is CVE-2016-1904?

CVE-2016-1904 is a high-severity vulnerability. It was published on January 19, 2016 and has a CVSS 3.0 base score of 7.3 (HIGH).

How severe is CVE-2016-1904?

This vulnerability has a CVSS 3.0 base score of 7.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2016-1904?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2016-1904?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-1904 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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