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CVE-2015-8865

7.3 · HIGH

The file_check_mem function in funcs.c in file before 5.23, as used in the Fileinfo component in PHP before 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5, mishandles continuation-level jumps, w…

Published May 20, 2016CWE-119EPSS 5.48%

Overview

CVE-2015-8865 is a high-severity vulnerability. It was published on May 20, 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 requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

The file_check_mem function in funcs.c in file before 5.23, as used in the Fileinfo component in PHP before 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5, mishandles continuation-level jumps, which allows context-dependent attackers to cause a denial of service (buffer overflow and application crash) or possibly execute arbitrary code via a crafted magic file.

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

Refbugs.gw.com/view.php?id=522Refgit.php.net/?p=php-src.git%3Ba=commit%3Bh=fe13566c93f118a15a96320a546c7878fd0cfc5eReflists.apple.com/archives/security-announce/2016/May/msg00004.htmlReflists.opensuse.org/opensuse-security-announce/2016-04/msg00057.htmlRefrhn.redhat.com/errata/RHSA-2016-2750.htmlRefwww.debian.org/security/2016/dsa-3560Refwww.openwall.com/lists/oss-security/2016/04/24/1Refwww.php.net/ChangeLog-5.phpRefwww.php.net/ChangeLog-7.phpRefwww.securityfocus.com/bid/85802

How CyberStrike helps

Frequently asked questions

What is CVE-2015-8865?

CVE-2015-8865 is a high-severity vulnerability. It was published on May 20, 2016 and has a CVSS 3.0 base score of 7.3 (HIGH).

How severe is CVE-2015-8865?

This vulnerability has a CVSS 3.0 base score of 7.3, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2015-8865?

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-2015-8865?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-8865 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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