Remote code execution in Bitbucket Data Center and Server

1) Input validation error

EUVDB-ID: #VU81100

Risk: Medium

CVSSv4.0: 5.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-22513

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote user to compromise the affected system.

The vulnerability exists due to insufficient validation of user-supplied input. A remote user can send specially crafted request to the application and execute arbitrary code on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Bitbucket Server: 8.0.0 - 8.13.0

Bitbucket Data Center: 8.0.0 - 8.13.0

CPE2.3

• cpe:2.3:a:atlassian:bitbucket_server:8.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:bitbucket_server:8.13.0:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:bitbucket_server:8.2.4:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:bitbucket_server:8.3.4:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:bitbucket_server:8.4.4:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:bitbucket_server:8.5.4:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:bitbucket_server:8.6.4:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:bitbucket_server:8.7.5:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:bitbucket_server:8.8.7:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:bitbucket_server:8.9.4:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:bitbucket_data_center:8.0.5:*:*:*:*:*:*:*

External links

https://confluence.atlassian.com/pages/viewpage.action?pageId=1283691616
https://jira.atlassian.com/browse/BSERV-14419

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.