Description

In Spring Framework versions 6.0.0 - 6.0.6, 5.3.0 - 5.3.25, 5.2.0.RELEASE - 5.2.22.RELEASE, and older unsupported versions, it is possible for a user to provide a specially crafted SpEL expression that may cause a denial-of-service (DoS) condition.

Affected Spring Products and Versions

Spring Framework
- 6.0.0 to 6.0.6
- 5.3.0 to 5.3.25
- 5.2.0.RELEASE to 5.2.22.RELEASE
- Older, unsupported versions are also affected

Mitigation

Users of affected versions should apply the following mitigation: 6.0.x users should upgrade to 6.0.7+. 5.3.x users should upgrade to 5.3.26+. 5.2.x users should upgrade to 5.2.23.RELEASE+. Users of older, unsupported versions should upgrade to 6.0.7+ or 5.3.26+. No other steps are necessary. Releases that have fixed this issue include:

Spring Framework
- 6.0.7+
- 5.3.26+
- 5.2.23.RELEASE+

Credit

This vulnerability was initially discovered and responsibly reported by the Google OSS-Fuzz team from Code Intelligence.

History

2023-03-20: Initial vulnerability report published.

Reporting a vulnerability

The VMware Security Response team provides a single point of contact for the reporting of security vulnerabilities in VMware Tanzu products and coordinates the process of investigating any reported vulnerabilities.

To report a security vulnerability in a VMware service or product please refer to the VMware Security Response Policy.