alpire commented on a change in pull request #176: CoyoteAdapter: fix
out-of-bounds read in checkNormalize
URL: https://github.com/apache/tomcat/pull/176#discussion_r299276651
##########
File path: java/org/apache/catalina/connector/CoyoteAdapter.java
##########
@@ -1271,6 +1276,11 @@ public static boolean checkNormalize(MessageBytes
uriMB) {
}
}
+ // The URL must start with '/'
+ if (c[start] != '/') {
+ return false;
+ }
+
// Check for ending with "/." or "/.."
Review comment:
I do have an input that triggers a 500 response if that check is removed:
```
00000000: 202e 2e20 3020 0a .. 0 .
```
That input trigger the exception that's in the PR description.
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