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CVE-2016-6793

9.1 · CRITICAL

The DiskFileItem class in Apache Wicket 6.x before 6.25.0 and 1.5.x before 1.5.17 allows remote attackers to cause a denial of service (infinite loop) and write to, move, and delete files with the…

Published Jul 17, 2017CWE-502EPSS 8.46%

Overview

CVE-2016-6793 is a critical-severity vulnerability. It was published on July 17, 2017 and has a CVSS 3.0 base score of 9.1 (CRITICAL).

This vulnerability has a CVSS 3.0 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The DiskFileItem class in Apache Wicket 6.x before 6.25.0 and 1.5.x before 1.5.17 allows remote attackers to cause a denial of service (infinite loop) and write to, move, and delete files with the permissions of DiskFileItem, and if running on a Java VM before 1.3.1, execute arbitrary code via a crafted serialized Java object.

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/2016/12/31/1Refwww.securityfocus.com/archive/1/539975/100/0/threadedRefwww.securityfocus.com/bid/95168Refwww.securitytracker.com/id/1037541Refwicket.apache.org/news/2016/12/31/cve-2016-6793.htmlRefwww.tenable.com/security/research/tra-2016-23Refwww.openwall.com/lists/oss-security/2016/12/31/1Refwww.securityfocus.com/archive/1/539975/100/0/threadedRefwww.securityfocus.com/bid/95168Refwww.securitytracker.com/id/1037541

How CyberStrike helps

Frequently asked questions

What is CVE-2016-6793?

CVE-2016-6793 is a critical-severity vulnerability. It was published on July 17, 2017 and has a CVSS 3.0 base score of 9.1 (CRITICAL).

How severe is CVE-2016-6793?

This vulnerability has a CVSS 3.0 base score of 9.1, 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-2016-6793?

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-2016-6793?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-6793 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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