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CVE-2016-7414

9.8 · CRITICAL

The ZIP signature-verification feature in PHP before 5.6.26 and 7.x before 7.0.11 does not ensure that the uncompressed_filesize field is large enough, which allows remote attackers to cause a deni…

Published Sep 17, 2016CWE-119EPSS 6.84%

Overview

CVE-2016-7414 is a critical-severity vulnerability. It was published on September 17, 2016 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

The ZIP signature-verification feature in PHP before 5.6.26 and 7.x before 7.0.11 does not ensure that the uncompressed_filesize field is large enough, which allows remote attackers to cause a denial of service (out-of-bounds memory access) or possibly have unspecified other impact via a crafted PHAR archive, related to ext/phar/util.c and ext/phar/zip.c.

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/2016/09/15/10Refwww.php.net/ChangeLog-5.phpRefwww.php.net/ChangeLog-7.phpRefwww.securityfocus.com/bid/93004Refwww.securitytracker.com/id/1036836Refaccess.redhat.com/errata/RHSA-2018:1296Refbugs.php.net/bug.php?id=72928GitHubgithub.com/php/php-src/commit/0bfb970f43acd1e81d11be1154805f86655f15d5?w=1Refsecurity.gentoo.org/glsa/201611-22Refwww.tenable.com/security/tns-2016-19

How CyberStrike helps

Frequently asked questions

What is CVE-2016-7414?

CVE-2016-7414 is a critical-severity vulnerability. It was published on September 17, 2016 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

How severe is CVE-2016-7414?

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-2016-7414?

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-2016-7414?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-7414 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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