Security Bypass in Spring Security for WebFlux by Vendor Spring
CVE-2023-34034

9.8CRITICAL

Key Information:

Vendor
Vmware
Status
Spring Security
Vendor
CVE Published:
19 July 2023

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A mismatch in pattern matching between Spring Security and Spring WebFlux arises when using '**' as a pattern in the Spring Security configuration. This vulnerability could potentially allow for a security bypass, exposing applications to unauthorized access and other security risks. Developers and administrators are advised to review their configurations and apply the necessary mitigations as outlined by the vendor.

Affected Version(s)

Spring Security Spring Security 6.1.0 <= 6.1.1

Spring Security Spring Security 6.0.0 <= 6.0.4

Spring Security Spring Security 5.8.0 <= 5.8.4

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

cve-2023-34034
Created by hotblac

References

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

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.