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  1. Confluence Server
  2. CONFSERVER-59244

Confluence Server and Data Center - Atlassian Companion Man-in-the-Middle - CVE-2019-15006

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      Description

      Issue Summary

      There was a man-in-the-middle (MITM) vulnerability present in the Confluence Previews plugin in Confluence Server and Confluence Data Center. This plugin was used to facilitate communication with the Atlassian Companion application. The Confluence Previews plugin in Confluence Server and Confluence Data Center communicated with the Companion application via the atlassian-domain-for-localhost-connections-only.com domain name, the DNS A record of which points at 127.0.0.1. Additionally, a signed certificate for the domain was publicly distributed with the Companion application. An attacker in the position to control DNS resolution of their victim could carry out a man-in-the-middle (MITM) attack between Confluence Server (or Confluence Data Center) and the atlassian-domain-for-localhost-connections-only.com domain intended to be used with the Companion application. This certificate has been revoked, however, usage of the atlassian-domain-for-localhost-connections-only.com domain name was still present in Confluence Server and Confluence Data Center. An attacker could perform the described attack by denying their victim access to certificate revocation information, and carry out a man-in-the-middle (MITM) attack to observe files being edited using the Companion application and/or modify them, and access some limited user information.

      Affected Versions

      Versions of Confluence Server and Confluence Data Center affected by this vulnerability:

      • from 6.11.0 before 6.13.10 (fixed in 6.13.10)
      • from 6.14.0 before 6.15.10 (fixed in 6.15.10)
      • from 7.0.1 before 7.0.5 (fixed in 7.0.5)
      • from 7.1.0 before 7.1.2 (fixed in 7.1.2)

      EAP and beta versions: 7.2.0-rc2, 7.2.0-rc1, 7.2.0-beta1, 7.1.0-rc3, 7.1.0-rc2, 7.1.0-rc1, 7.1.0-beta1, 7.0.1-rc1, 7.0.1-beta2, 7.0.1-beta1, 6.15.0-rc1, 6.15.0-beta2, 6.15.0-beta1, 6.14.0-rc1, 6.14.0-beta1, 6.13.0-rc1, 6.13.0-beta1, 6.12.0-rc1, 6.12.0-beta1, 6.11.0-rc1, 6.11.0-beta1

      Fixed Versions

      Confluence Server

      Version 7.2.0 available at https://www.atlassian.com/software/confluence/download
      Version 7.1.2 available at https://www.atlassian.com/software/confluence/download-archives
      Version 7.0.5 available at https://www.atlassian.com/software/confluence/download-archives
      Version 6.15.10 available at https://www.atlassian.com/software/confluence/download-archives
      Version 6.13.10 available at https://www.atlassian.com/software/confluence/download-archives

      Confluence Data Center

      Version 7.2.0 available at https://www.atlassian.com/software/confluence/download/data-center
      Version 7.1.2 available at https://www.atlassian.com/software/confluence/download-archives
      Version 7.0.5 available at https://www.atlassian.com/software/confluence/download-archives
      Version 6.15.10 available at https://www.atlassian.com/software/confluence/download-archives
      Version 6.13.10 available at https://www.atlassian.com/software/confluence/download-archives

      Notes

      For additional details, see the full advisory: https://confluence.atlassian.com/doc/confluence-security-advisory-2019-12-18-982324349.html

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              Assignee:
              aknight@atlassian.com Alexander Knight
              Reporter:
              security-metrics-bot SecurityB
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