Atlassian Patches RCE Flaw that Affected Multiple Products

Atlassian has been discovered with four new vulnerabilities associated with Remote Code Execution in multiple products. The CVEs for these vulnerabilities have been assigned as CVE-2023-22522, CVE-2023-22523, CVE-2023-22524, and CVE-2022-1471.

Atlassian has patched these vulnerabilities and has released security advisories for users to patch them accordingly.

CVE-2023-22522: RCE In Confluence Data Center & Server

This template injection vulnerability allows an authenticated threat actor with uncertain access to inject malicious input into a Confluence page and execute remote code on affected instances. Atlassian has given the severity of this vulnerability a 9.0 (Critical).

CVE-2023-22523: RCE Vulnerability in Assets Discovery

This vulnerability exists between the Assets Discovery application and the Assets Discovery agent, allowing a threat actor to perform privileged remote code execution on the machines with vulnerable installations. The severity of this vulnerability has been given a 9.8 (Critical) rating by Atlassian.

CVE-2023-22524: RCE Vulnerability Companion App

A threat actor can exploit this vulnerability by using the WebSockets and bypassing Atlassian Companion’s blocklist and MacOS Gatekeeper to perform remote code execution on affected machines. Atlassian has given the severity of this vulnerability as 9.6 (Critical).

CVE-2022-1471: RCE in SnakeYAML Library

This vulnerability exists in the SnakeYAML library for Java on Multiple Atlassian Data Centers and Server Products, which were vulnerable to deserialization flaws that could result in remote code execution if exploited. The severity of this vulnerability has been given as 9.8 (Critical).

Affected Products

The list of affected products are listed below

• Confluence Data Center
• Confluence Server
• Jira Service Management Cloud
• Jira Service Management Server
• Jira Service Management Data Center
• Atlassian Companion App for MacOS for
  • Confluence Server
  • Confluence Data Center
• Automation for Jira app (including Server Lite edition)
• Bitbucket Data Center
• Bitbucket Server
• Confluence Data Center
• Confluence Server
• Confluence Cloud Migration App
• Jira Core Data Center
• Jira Core Server
• Jira Service Management Data Center
• Jira Service Management Server
• Jira Software Data Center
• Jira Software Server

For fixed versions of these products, referring to Atlassian’s security advisory pages is recommended.

Users of these products are advised to upgrade to the latest versions of these products to prevent these vulnerabilities from getting exploited.