Bitbucket Data Center update for path-to-regexp

1) Inefficient regular expression complexity

EUVDB-ID: #VU98132

Risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-45296

CWE-ID: CWE-1333 - Inefficient Regular Expression Complexity

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient input validation when processing untrusted input with a regular expressions. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Bitbucket Data Center: 9.4.0 - 9.5.0

CPE2.3

• cpe:2.3:a:atlassian:bitbucket_data_center:9.4.2:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:bitbucket_data_center:9.5.0:*:*:*:*:*:*:*

External links

https://jira.atlassian.com/browse/BSERV-19851

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.