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Medium· 6.1GHSA-8p3c-m625-wh83 CVE-2016-0789CWE-113CWE-20Published May 14, 2022

Jenkins has CRLF Injection Vulnerability in the CLI

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Affected versions

1.643 → fixed in 1.6500 → fixed in 1.642.2

Details

CRLF injection vulnerability in the CLI command documentation in Jenkins before 1.650 and LTS before 1.642.2 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via unspecified vectors.

The fix

[FIX SECURITY-238] Don't echo command name

Daniel Beck· Jan 26, 2016, 10:40 AM+1−1f5c51fbad2
core/src/main/java/hudson/cli/CLIAction.java+1 −1
@@ -78,7 +78,7 @@ public void doCommand(StaplerRequest req, StaplerResponse rsp) throws ServletExc
         final String commandName = req.getRestOfPath().substring(1);
         CLICommand command = CLICommand.clone(commandName);
         if (command == null) {
-            rsp.sendError(HttpServletResponse.SC_NOT_FOUND, "No such command " + commandName);
+            rsp.sendError(HttpServletResponse.SC_NOT_FOUND, "No such command");
             return;
         }

References