HTTP Request Header Injection Affecting io.micronaut:micronaut-http-client package, versions [,1.2.11) [1.3.0,1.3.2)
Snyk CVSS
Attack Complexity
High
Threat Intelligence
Exploit Maturity
Proof of concept
EPSS
2.43% (90th
percentile)
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Test your applications- Snyk ID SNYK-JAVA-IOMICRONAUT-561342
- published 26 Mar 2020
- disclosed 26 Mar 2020
- credit Jonathan Leitschuh
Introduced: 26 Mar 2020
CVE-2020-7611 Open this link in a new tabHow to fix?
Upgrade io.micronaut:micronaut-http-client to version 1.2.11, 1.3.2 or higher.
Overview
io.micronaut:micronaut-http-client is a modern, JVM-based, full stack microservices framework designed for building modular, easily testable microservice applications.
Affected versions of this package are vulnerable to HTTP Request Header Injection due to not validating request headers passed to the client.
PoC by Jonathan Leitschuh
@Controller("/hello")
public class HelloController {
@Inject
@Client("/")
RxHttpClient client;
@Get("/external-exploit")
@Produces(MediaType.TEXT_PLAIN)
public String externalExploit(@QueryValue("header-value") String headerValue) {
return client.toBlocking().retrieve(
HttpRequest.GET("/hello")
.header("Test", headerValue)
);
}
}