QID 379557

QID 379557: Atlassian Bitbucket Data Center and Server hutool-json Dependency Vulnerability (BSERV-18789)

Bitbucket Data Center looks like a single instance of Bitbucket Server to users, but under the hood, it consists of a cluster of multiple machines ("cluster nodes") each running the Bitbucket Server web application, behind a load balancer.

CVE-2022-45688: A stack overflow in the XML.toJSONObject component of hutool-json allows attackers to cause a Denial of Service (DoS) via crafted JSON or XML data.

Affected version:
7.21.x: prior to 7.21.16
7.17.0 to 7.17.21
8.7.0 to 8.7.5
8.8.0 to 8.8.7
8.9.x: prior to 8.9.4
8.10.x: prior to 8.10.4
8.11.x: prior to 8.11.3
8.12.x: prior to 8.12.1

QID Detection Logic(Unauthenticated):
The QID checks for vulnerable versions of Atlassian Bitbucket Server by sending a GET request to /login endpoint.


QID Detection Logic:(Authenticated)
The QID checks for vulnerable versions of Atlassian Bitbucket Server by checking the registry entry for windows and invoking commands in linux.

Note: Here, we are not checking actual version of hutool-json Third-Party Dependency. Hence, QID set as practice.

Successful exploitation of this vulnerability allows Denial of Service (DoS).

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
    • Solution
    The vendor has released fix for this vulnerability. Customers are advised to refer to BSERV-18789 for updates pertaining to this vulnerability.
    Vendor References

    CVEs related to QID 379557

    CVE-2022-45688 |
    Software Advisories
    Advisory ID Software Component Link
    BSERV-18789 URL Logo jira.atlassian.com/browse/BSERV-18789
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