Vulnerability identifier: #VU50267
Vulnerability risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-502
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Apache Dubbo
Web applications /
Other software
Vendor: 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 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.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Apache Dubbo: 2.7.0 - 2.7.7, 2.6.0 - 2.6.8, 2.5.0 - 2.5.10, 2.4.0 - 2.4.11, 2.3.0 - 2.3.7, 2.2.0 - 2.2.2, 2.1.0 - 2.1.8, 2.0.7 - 2.0.14
External links
http://lists.apache.org/thread.html/r5b2df4ef479209dc4ced457b3d58a887763b60b9354c3dc148b2eb5b%40%3Cdev.dubbo.apache.org%3E
http://www.zerodayinitiative.com/advisories/ZDI-21-127/
http://www.zerodayinitiative.com/advisories/ZDI-21-128/
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.