CVE-2017-16861: Critical severity Atlassian Fisheye vulnerability
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.
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2017-16861.
What is the severity of CVE-2017-16861?
The severity of CVE-2017-16861 is critical with a CVSS score of 9.8.
How does CVE-2017-16861 affect Atlassian FishEye and Crucible?
CVE-2017-16861 affects Atlassian FishEye and Crucible versions up to 4.4.5 and versions between 4.5.0 and 4.5.2.
What is the possible impact of CVE-2017-16861?
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 perform double OGNL evaluation, leading to potential remote code execution or other security exploits.
How can I mitigate CVE-2017-16861?
To mitigate CVE-2017-16861, it is recommended to upgrade Atlassian FishEye and Crucible to versions 4.4.6 or 4.5.3 or later.