VMware Tanzu Spring Cloud Config Directory Traversal Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-03-25
• EPSS: 96% chance of exploitation in the next 30 days (higher than 100% of CVEs)

[ Description ]Official description

Spring Cloud Config, versions 2.2.x prior to 2.2.3, versions 2.1.x prior to 2.1.9, and older unsupported versions allow applications to serve arbitrary configuration files through the spring-cloud-config-server module. A malicious user, or attacker, can send a request using a specially crafted URL that can lead to a directory traversal attack.

CISA: Spring, by VMware Tanzu, Cloud Config contains a path traversal vulnerability that allows applications to serve arbitrary configuration files.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 15 Apr 2022): Apply updates per vendor instructions.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• tanzu.vmware.com/security/cve-2020-5410Vendor Advisory
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource