Remote code execution in Dropwizard-Validation

1) Code Injection

EUVDB-ID: #VU27022

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-11002

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation in the self-validating feature. A remote authenticated attacker can inject arbitrary Java EL expressions 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

Dropwizard: 1.3.0 - 2.0.2

External links

http://docs.jboss.org/hibernate/validator/6.1/reference/en-US/html_single/#section-hibernateconstraintvalidatorcontext
http://github.com/dropwizard/dropwizard/commit/d5a512f7abf965275f2a6b913ac4fe778e424242
http://github.com/dropwizard/dropwizard/pull/3208
http://github.com/dropwizard/dropwizard/pull/3209
http://github.com/dropwizard/dropwizard/security/advisories/GHSA-3mcp-9wr4-cjqf
http://github.com/dropwizard/dropwizard/security/advisories/GHSA-8jpx-m2wh-2v34
http://github.com/dropwizard/dropwizard/security/policy#reporting-a-vulnerability

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.