Atlassian Confluence Data Center/Confluence Server up to 8.9.5 cross-site request forgery

Summaryinfo

A vulnerability was found in Atlassian Confluence Data Center and Confluence Server up to 8.9.5 and classified as problematic. Affected by this vulnerability is an unknown functionality. Executing a manipulation can lead to cross-site request forgery. This vulnerability is registered as CVE-2024-21690. It is possible to launch the attack remotely. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Atlassian Confluence Data Center and Confluence Server up to 8.9.5 and classified as problematic. This vulnerability affects an unknown code. The manipulation with an unknown input leads to a cross-site request forgery vulnerability. The CWE definition for the vulnerability is CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. As an impact it is known to affect integrity. CVE summarizes:

This High severity Reflected XSS and CSRF (Cross-Site Request Forgery) vulnerability was introduced in versions 7.19.0, 7.20.0, 8.0.0, 8.1.0, 8.2.0, 8.3.0, 8.4.0, 8.5.0, 8.6.0, 8.7.1, 8.8.0, and 8.9.0 of Confluence Data Center and Server. This Reflected XSS and CSRF (Cross-Site Request Forgery) vulnerability, with a CVSS Score of 7.1, allows an unauthenticated attacker to execute arbitrary HTML or JavaScript code on a victims browser and force a end user to execute unwanted actions on a web application in which they're currently authenticated which has high impact to confidentiality, low impact to integrity, no impact to availability, and requires user interaction. Atlassian recommends that Confluence Data Center and Server customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions: * Confluence Data Center and Server 7.19: Upgrade to a release greater than or equal to 7.19.26 * Confluence Data Center and Server 8.5: Upgrade to a release greater than or equal to 8.5.14 * Confluence Data Center and Server 9.0: Upgrade to a release greater than or equal to 9.0.1 See the release notes (https://confluence.atlassian.com/doc/confluence-release-notes-327.html). You can download the latest version of Confluence Data Center and Server from the download center (https://www.atlassian.com/software/confluence/download-archives). This vulnerability was reported via our Bug Bounty program.

The advisory is shared for download at confluence.atlassian.com. This vulnerability was named CVE-2024-21690 since 01/01/2024. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

Upgrading to version 7.19.26, 8.5.14, 9.0.1 or 9.0.2 eliminates this vulnerability.

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Productinfo

Vendor

• Atlassian

Name

• Confluence Data Center
• Confluence Server

Version

• 7.20.3
• 8.0.4
• 8.1.4
• 8.2.3
• 8.3.4
• 8.4.5
• 8.5.12
• 8.6.2
• 8.7.2
• 8.8.1
• 8.9.5

License

• free

Website

• Vendor: https://www.atlassian.com/

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