October 6, 2022

TheCyberThrone

Thinking Security ! Always

Atlassian Patches Bitbucket Critical Vulnerability

Atlassian fixed a critical flaw in Bitbucket Server and Data Center, tracked as CVE-2022-36804 with a CVSS score 9.9, that could be explored to execute malicious code on vulnerable installs

The flaw is a command injection vulnerability that can be exploited via specially crafted HTTP requests.

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Affected Versions

  • Bitbucket Server and Datacenter 7.6
  • Bitbucket Server and Datacenter 7.17
  • Bitbucket Server and Datacenter 7.21
  • Bitbucket Server and Datacenter 8.0
  • Bitbucket Server and Datacenter 8.1
  • Bitbucket Server and Datacenter 8.2,
  • Bitbucket Server and Datacenter 8.3

Domains hosted by Atlassian are not affected by this issue.

If you’re unable to upgrade Bitbucket, a temporary mitigation step :

Atlassian is recommending turning off public repositories using “feature.public.access=false” to prevent unauthorized users from exploiting the flaw.

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