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$NetBSD: patch-server_util__script.c,v 1.1 2016/07/29 11:10:24 wiz Exp $
Fix httpoxy vulnerability.
https://www.apache.org/security/asf-httpoxy-response.txt
--- server/util_script.c.orig 2012-08-21 17:42:49.000000000 +0000
+++ server/util_script.c
@@ -165,6 +165,14 @@ AP_DECLARE(void) ap_add_common_vars(requ
else if (!strcasecmp(hdrs[i].key, "Content-length")) {
apr_table_addn(e, "CONTENT_LENGTH", hdrs[i].val);
}
+ /* HTTP_PROXY collides with a popular envvar used to configure
+ * proxies, don't let clients set/override it. But, if you must...
+ */
+#ifndef SECURITY_HOLE_PASS_PROXY
+ else if (!strcasecmp(hdrs[i].key, "Proxy")) {
+ ;
+ }
+#endif
/*
* You really don't want to disable this check, since it leaves you
* wide open to CGIs stealing passwords and people viewing them
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