SB2021011119 - Remote code execution in Apache Dubbo
Published: January 11, 2021 Updated: November 13, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Deserialization of Untrusted Data (CVE-ID: CVE-2020-11995)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insecure input validation when processing serialized data within the Hessian2 protocol. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
2) Deserialization of Untrusted Data (CVE-ID: CVE-2021-25641)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insecure input validation when processing serialized data. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.
References
- https://lists.apache.org/thread.html/r5b2df4ef479209dc4ced457b3d58a887763b60b9354c3dc148b2eb5b%40%3Cdev.dubbo.apache.org%3E
- https://www.zerodayinitiative.com/advisories/ZDI-21-127/
- https://www.zerodayinitiative.com/advisories/ZDI-21-128/
- https://lists.apache.org/thread.html/r99ef7fa35585d3a68762de07e8d2b2bc48b8fa669a03e8d84b9673f3%40%3Cdev.dubbo.apache.org%3E