Headline
CVE-2023-20860: CVE-2023-20860: Security Bypass With Un-Prefixed Double Wildcard Pattern
Spring Framework running version 6.0.0 - 6.0.6 or 5.3.0 - 5.3.25 using “**” as a pattern in Spring Security configuration with the mvcRequestMatcher creates a mismatch in pattern matching between Spring Security and Spring MVC, and the potential for a security bypass.
Description
Using “**” as a pattern in Spring Security configuration with the mvcRequestMatcher creates a mismatch in pattern matching between Spring Security and Spring MVC, and the potential for a security bypass.
Affected Spring Products and Versions
- Spring Framework:
- 6.0.0 to 6.0.6
- 5.3.0 to 5.3.25
- Versions older than 5.3 are not affected
Mitigation
The following Spring Framework versions contain fixes for this vulnerability:
- 6.0.7+
- 5.3.26+
Credit
This vulnerability was discovered internally.
References
- https://nvd.nist.gov/vuln-metrics/cvss/v3-calculator?vector=AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:P/RL:O/RC:C/CR:H/IR:H/AR:X/MAV:N/MAC:L/MPR:N/MUI:N/MS:U/MC:H/MI:H/MA:N&version=3.1
History
- 2023-03-20: Initial vulnerability report published.
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Spring Framework running version 6.0.0 - 6.0.6 or 5.3.0 - 5.3.25 using "**" as a pattern in Spring Security configuration with the mvcRequestMatcher creates a mismatch in pattern matching between Spring Security and Spring MVC, and the potential for a security bypass.