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CVE-2016-3141

9.8 · CRITICAL

Use-after-free vulnerability in wddx.c in the WDDX extension in PHP before 5.5.33 and 5.6.x before 5.6.19 allows remote attackers to cause a denial of service (memory corruption and application cra…

Published Mar 31, 2016CWE-119EPSS 36.01%

Overview

CVE-2016-3141 is a critical-severity vulnerability. It was published on March 31, 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

Use-after-free vulnerability in wddx.c in the WDDX extension in PHP before 5.5.33 and 5.6.x before 5.6.19 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly have unspecified other impact by triggering a wddx_deserialize call on XML data containing a crafted var element.

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=b1bd4119bcafab6f9a8f84d92cd65eec3afefaceReflists.apple.com/archives/security-announce/2016/May/msg00004.htmlReflists.opensuse.org/opensuse-security-announce/2016-04/msg00052.htmlReflists.opensuse.org/opensuse-security-announce/2016-04/msg00056.htmlReflists.opensuse.org/opensuse-security-announce/2016-04/msg00057.htmlReflists.opensuse.org/opensuse-security-announce/2016-04/msg00058.htmlRefrhn.redhat.com/errata/RHSA-2016-2750.htmlRefwww.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.htmlRefwww.securityfocus.com/bid/84271Refwww.securitytracker.com/id/1035255

How CyberStrike helps

Frequently asked questions

What is CVE-2016-3141?

CVE-2016-3141 is a critical-severity vulnerability. It was published on March 31, 2016 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

How severe is CVE-2016-3141?

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-2016-3141?

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-2016-3141?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-3141 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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