CVE-2017-16861

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.

9.8

CVSS

Severity: Critical

CVSS 3.0 •

CVSS 2.0 •

EPSS 0.58%

Vendor Advisory atlassian.com Vendor Advisory atlassian.com Vendor Advisory atlassian.com Vendor Advisory atlassian.com

Affected: Atlassian Fisheye and Crucible

References

Link	Tags
https://jira.atlassian.com/browse/CRUC-8156	vendor advisory
https://confluence.atlassian.com/x/h-QyO	vendor advisory
http://www.securityfocus.com/bid/102971	vdb entry third party advisory
https://confluence.atlassian.com/x/iPQyO	vendor advisory
https://jira.atlassian.com/browse/FE-6991	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-16861?: CVE-2017-16861 has been scored as a critical severity vulnerability.
How to fix CVE-2017-16861?: To fix CVE-2017-16861, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-16861 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2017-16861 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-16861?: CVE-2017-16861 affects Atlassian Fisheye and Crucible.

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