Remote code execution in Apache Dubbo

1) Deserialization of Untrusted Data

EUVDB-ID: #VU46195

Risk: High

CVSSv4.0: 8.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber]

CVE-ID: CVE-2019-17564

CWE-ID: CWE-502 - Deserialization of Untrusted Data

Exploit availability: Yes

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 HTTP request, when HTTP remoting is enabled. A remote attacker can pass specially crafted HTTP POST request 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: 2.5.0 - 2.7.5

CPE2.3

• cpe:2.3:a:apache_foundation:dubbo:2.5.10:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:dubbo:2.6.7:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:dubbo:2.7.5:*:*:*:*:*:*:*

External links

https://lists.apache.org/thread.html/r13f7a58fa5d61d729e538a378687118e00c3e229903ba1e7b3a807a2%40%3Cdev.dubbo.apache.org%3E

Q & A

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. However, proof of concept for this vulnerability is available.