Atlassian Bitbucket Server and Data Center up to 8.3.0 API command injection

Summaryinfo

A vulnerability classified as critical has been found in Atlassian Bitbucket Server and Data Center up to 8.3.0. This affects an unknown part of the component API. The manipulation leads to an unknown weakness. This vulnerability is listed as CVE-2022-36804. The attack may be initiated remotely. In addition, an exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Atlassian Bitbucket Server and Data Center up to 8.3.0. It has been rated as critical. This issue affects some unknown processing of the component API. Using CWE to declare the problem leads to CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Multiple API endpoints in Atlassian Bitbucket Server and Data Center 7.0.0 before version 7.6.17, from version 7.7.0 before version 7.17.10, from version 7.18.0 before version 7.21.4, from version 8.0.0 before version 8.0.3, from version 8.1.0 before version 8.1.3, and from version 8.2.0 before version 8.2.2, and from version 8.3.0 before 8.3.1 allows remote attackers with read permissions to a public or private Bitbucket repository to execute arbitrary code by sending a malicious HTTP request. This vulnerability was reported via our Bug Bounty Program by TheGrandPew.

The weakness was presented 08/25/2022 as BSERV-13438. It is possible to read the advisory at jira.atlassian.com. The identification of this vulnerability is CVE-2022-36804 since 07/26/2022. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

The exploit is available at exploit-db.com. It is declared as attacked. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 09/30/2022 with a due date of 10/21/2022:

Apply updates per vendor instructions.

Upgrading to version 7.6.17, 7.17.10, 7.21.4, 8.0.3, 8.1.3, 8.2.2 or 8.3.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (51040). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

• Atlassian

Name

• Bitbucket Server and Data Center

Version

• 7.6.0
• 7.6.1
• 7.6.2
• 7.6.3
• 7.6.4
• 7.6.5
• 7.6.6
• 7.6.7
• 7.6.8
• 7.6.9
• 7.6.10
• 7.6.11
• 7.6.12
• 7.6.13
• 7.6.14
• 7.6.15
• 7.6.16
• 7.17.0
• 7.17.1
• 7.17.2
• 7.17.3
• 7.17.4
• 7.17.5
• 7.17.6
• 7.17.7
• 7.17.8
• 7.17.9
• 7.21.0
• 7.21.1
• 7.21.2
• 7.21.3
• 8.0
• 8.0.0
• 8.0.1
• 8.0.2
• 8.1
• 8.1.0
• 8.1.1
• 8.1.2
• 8.2
• 8.2.0
• 8.2.1
• 8.3.0

License

• free

Website

• Vendor: https://www.atlassian.com/

CPE 2.3info

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CPE 2.2info

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Be aware that VulDB is the high quality source for vulnerability data.

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