Deserialization of Untrusted Data in Apache Dubbo - CVE-2021-36163
Published: September 8, 2021
Vulnerability identifier: #VU56399
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-36163
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Apache Dubbo
Apache Dubbo
Software vendor:
Apache Foundation
Apache Foundation
Description
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 in the Hessian protocol. A remote authenticated attacker can use a specially crafted HessianSkeleton and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install updates from vendor's website.