Bitbucket Data Center and Server update for Spring Security



Published: 2024-05-24
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-22257
CWE-ID CWE-284
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Bitbucket Server
Server applications / Application servers

Bitbucket Data Center
Server applications / Other server solutions

Vendor Atlassian

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper access control

EUVDB-ID: #VU87607

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-22257

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions when the "AuthenticatedVoter#vote" passing a "null" Authentication parameter. A remote attacker can bypass implemented security restrictions and gain unauthorized access to the application.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Bitbucket Server: 8.0.0 - 8.19.0

Bitbucket Data Center: 8.0.0 - 8.19.0

External links

http://jira.atlassian.com/browse/BSERV-19365


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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



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