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CVE-2016-9137

9.8 · CRITICAL

Use-after-free vulnerability in the CURLFile implementation in ext/curl/curl_file.c in PHP before 5.6.27 and 7.x before 7.0.12 allows remote attackers to cause a denial of service or possibly have…

Published Jan 4, 2017CWE-416EPSS 5.32%

Overview

CVE-2016-9137 is a critical-severity vulnerability. It was published on January 4, 2017 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Use-after-free vulnerability in the CURLFile implementation in ext/curl/curl_file.c in PHP before 5.6.27 and 7.x before 7.0.12 allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted serialized data that is mishandled during __wakeup processing.

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

Refgit.php.net/?p=php-src.git%3Ba=commit%3Bh=0e6fe3a4c96be2d3e88389a5776f878021b4c59fRefwww.debian.org/security/2016/dsa-3698Refwww.openwall.com/lists/oss-security/2016/11/01/2Refwww.php.net/ChangeLog-5.phpRefwww.php.net/ChangeLog-7.phpRefwww.securityfocus.com/bid/93577Refbugs.php.net/bug.php?id=73147Refwww.tenable.com/security/tns-2016-19Refgit.php.net/?p=php-src.git%3Ba=commit%3Bh=0e6fe3a4c96be2d3e88389a5776f878021b4c59fRefwww.debian.org/security/2016/dsa-3698

How CyberStrike helps

Frequently asked questions

What is CVE-2016-9137?

CVE-2016-9137 is a critical-severity vulnerability. It was published on January 4, 2017 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

How severe is CVE-2016-9137?

This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2016-9137?

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-2016-9137?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-9137 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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