Apache Dubbo RCE on customers via Condition route poisoning (Unsafe YAML unmarshaling)
CVE-2021-30180

9.8CRITICAL

Key Information:

Vendor
Apache
Status
Apache Dubbo
Vendor
CVE Published:
1 June 2021

Summary

Apache Dubbo prior to 2.7.9 support Tag routing which will enable a customer to route the request to the right server. These rules are used by the customers when making a request in order to find the right endpoint. When parsing these YAML rules, Dubbo customers may enable calling arbitrary constructors.

Affected Version(s)

Apache Dubbo Apache Dubbo 2.7.x < 2.7.9

References

https://lists.apache.org/thread.html/raed526465e56204030d...
x_refsource_MISC

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

  • Vulnerability published

  • Vulnerability Reserved

Credit

This issue was first reported by GitHub Security Lab
.