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Multiple Vulnerabilities in Atlassian Products Could Allow for Remote Code Execution

Posted by webstudio_admin
Cyber Security

The Center for Internet Security (CIS) has recently released an advisory regarding multiple vulnerabilities discovered in Atlassian products. These vulnerabilities have the potential to enable remote code execution, posing a significant risk to organizations utilizing these products. In this blog post, we will discuss the details of these vulnerabilities and provide recommendations for mitigating the associated risks.

Overview:
The identified vulnerabilities affect Confluence, a popular collaboration tool designed to facilitate knowledge sharing and teamwork. If successfully exploited, an attacker could execute remote code in the context of the logged-on user. Depending on the user’s privileges, this could result in unauthorized installation of programs, data manipulation or deletion, or the creation of new user accounts with full administrative rights.

Threat Intelligence:
At present, there have been no reports of these vulnerabilities being exploited in the wild. However, with the potential impact they possess, it is crucial for organizations to take immediate action to address them.

Systems Affected:
The vulnerabilities impact the following Atlassian products and versions:

  • Confluence Data Center and Server: 4.x.x – 8.5.3
  • Jira Service Management Cloud Insight Discovery: 1.0 – 3.1.3
  • Jira Service Management Cloud Assets Discovery: 3.1.4 – 3.1.11-cloud
  • Jira Service Management Data Center and Server Insight Discovery: 1.0 – 3.1.7
  • Jira Service Management Data Center and Server Assets Discovery: 3.1.9 – 3.1.11
  • Atlassian Companion App for MacOS: All versions (MacOS) up to 2.0.0
  • Automation for Jira (A4J) Marketplace App: All versions up to 9.0.1
  • Bitbucket Data Center and Server: 7.17.x – 8.12.0
  • Jira Core Data Center and Server and Jira Software Data Center and Server: 9.4.0 – 9.11.1
  • Jira Service Management Data Center and Server: 5.4.0 – 5.11.1

Risk Assessment:
The impact of these vulnerabilities can vary depending on the type and size of the organizations affected. The following risk levels have been identified:

  • Government (Large and medium entities): HIGH
  • Government (Small entities): MEDIUM
  • Businesses (Large and medium entities): HIGH
  • Businesses (Small entities): MEDIUM
  • Home Users: LOW

Recommendations:
To mitigate the risks associated with these vulnerabilities, the following actions are recommended:

  1. Apply the appropriate patches and workarounds provided by Atlassian to vulnerable systems. Ensure these updates undergo thorough testing before deployment (M1051: Update Software).
  2. Establish and maintain a vulnerability management process for enterprise assets. Review and update documentation annually or when significant changes occur (Safeguard 7.1).
  3. Implement a risk-based remediation process with regular reviews (Safeguard 7.2).
  4. Perform automated operating system and application patch management on a monthly basis (Safeguard 7.3 and 7.4).
  5. Conduct quarterly vulnerability scans of internal enterprise assets, both authenticated and unauthenticated, using a SCAP-compliant scanning tool (Safeguard 7.5).
  6. Remediate identified vulnerabilities based on the established remediation process (Safeguard 7.7).
  7. Apply the principle of least privilege and run all software as a non-privileged user to limit the impact of potential attacks (M1026: Privileged Account Management).
  8. Manage default accounts on enterprise assets and restrict administrator privileges to dedicated accounts (Safeguard 4.7 and 5.4).
  9. Establish and maintain an inventory of service accounts and conduct regular reviews (Safeguard 5.5).
  10. Perform vulnerability scanning to identify and remediate software vulnerabilities (M1016: Vulnerability Scanning).
  11. Conduct periodic application penetration testing, especially for critical applications (Safeguard 16.13).
  12. Implement network segmentation to isolate critical systems and resources, using physical and logical separation (M1030: Network Segmentation).

By following these recommendations, organizations can reduce the risk of exploitation and protect their systems from potential remote code execution.

In conclusion, the multiple vulnerabilities discovered in Atlassian products highlight the importance of timely patching and proactive vulnerability management. Organizations should prioritize implementing the recommended actions to safeguard their systems and data.

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