Overview
Recently, Apache Dubbo was reported to contain a remote code execution vulnerability (CVE-2020-1948) resulting from deserialization.
Apache Dubbo is a high-performance Java RPC framework. The vulnerability exists in hessian, a default deserialization tool used by Apache Dubbo. An attacker may trigger it by sending malicious RPC requests which usually contain unidentifiable service or method names and some malicious parameter loads. When malicious parameters are deserialized, the attacker achieves the goal of executing code.
Reference link:
Affected Versions
- 2.7.0 <= Dubbo Version <= 2.7.6
- 2.6.0 <= Dubbo Version <= 2.6.7
- All Dubbo 2.5.x versions (no official support available now)
Unaffected Versions
- Dubbo Version >= 2.7.7
Solution
The vendor has released a new version to fix the vulnerability. Affected users are advised to upgrade as soon as possible.
Address for downloading Dubbo 2.7.7:
Statement
This advisory is only used to describe a potential risk. NSFOCUS does not provide any commitment or promise on this advisory. NSFOCUS and the author will not bear any liability for any direct and/or indirect consequences and losses caused by transmitting and/or using this advisory. NSFOCUS reserves all the rights to modify and interpret this advisory. Please include this statement paragraph when reproducing or transferring this advisory. Do not modify this advisory, add/delete any information to/from it, or use this advisory for commercial purposes without permission from NSFOCUS.
About NSFOCUS
NSFOCUS, Inc., a global network and cyber security leader, protects enterprises and carriers from advanced cyber attacks. The company’s Intelligent Hybrid Security strategy utilizes both cloud and on-premises security platforms, built on a foundation of real-time global threat intelligence, to provide multi-layered, unified and dynamic protection against advanced cyber attacks.
NSFOCUS works with Fortune Global 500 companies, including four of the world’s five largest financial institutions, organizations in insurance, retail, healthcare, critical infrastructure industries as well as government agencies. NSFOCUS has technology and channel partners in more than 60 countries, is a member of both the Microsoft Active Protections Program (MAPP), and the Cloud Security Alliance (CSA). A wholly owned subsidiary of NSFOCUS Technologies Group Co., Ltd., the company has operations in the Americas, Europe, the Middle East and Asia Pacific.
