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CVE-2017-16861

9.8 · CRITICAL

It was possible for double OGNL evaluation in certain redirect action and in WebWork URL and Anchor tags in JSP files to occur.

Published Feb 1, 2018EPSS 1.95%

Overview

CVE-2017-16861 is a critical-severity vulnerability. It was published on February 1, 2018 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

It was possible for double OGNL evaluation in certain redirect action and in WebWork URL and Anchor tags in JSP files to occur. An attacker who can access the web interface of Fisheye or Crucible or who hosts a website that a user who can access the web interface of Fisheye or Crucible visits, is able to exploit this vulnerability to execute Java code of their choice on systems that run a vulnerable version of Fisheye or Crucible. All versions of Fisheye and Crucible before 4.4.5 (the fixed version for 4.4.x) and from 4.5.0 before 4.5.2 (the fixed version for 4.5.x) are affected by this vulnerability.

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.securityfocus.com/bid/102971Refconfluence.atlassian.com/x/h-QyORefconfluence.atlassian.com/x/iPQyORefjira.atlassian.com/browse/CRUC-8156Refjira.atlassian.com/browse/FE-6991Refwww.securityfocus.com/bid/102971Refconfluence.atlassian.com/x/h-QyORefconfluence.atlassian.com/x/iPQyORefjira.atlassian.com/browse/CRUC-8156Refjira.atlassian.com/browse/FE-6991

How CyberStrike helps

Frequently asked questions

What is CVE-2017-16861?

CVE-2017-16861 is a critical-severity vulnerability. It was published on February 1, 2018 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

How severe is CVE-2017-16861?

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-2017-16861?

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-2017-16861?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-16861 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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