#VU80880 Security features bypass in Spring Security - CVE-2023-34034

Vulnerability identifier: #VU80880

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-34034

CWE-ID: CWE-254

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Spring Security
Server applications / Frameworks for developing and running applications

Vendor: VMware, Inc

Description

The vulnerability allows a remote attacker to bypass security restrictions.

The vulnerability exists due to the usage of "**" as a pattern in Spring Security configuration for WebFlux creates a mismatch in pattern matching between Spring Security and Spring WebFlux. A remote unauthenticated attacker can trigger the vulnerability to bypass security restrictions.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Spring Security: before 5.6.12, 5.7.10, 5.8.5, 6.0.5, 6.1.2, 5.6.12, 5.6.12, 5.6.12, 5.6.12, 5.6.12

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External links
https://spring.io/security/cve-2023-34034
https://security.netapp.com/advisory/ntap-20230814-0008/

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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.