httpd/httpd-2.4.37-CVE-2024-38477.patch

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diff --git a/modules/proxy/proxy_util.c b/modules/proxy/proxy_util.c
index 6244e74..f5c3283 100644
--- a/modules/proxy/proxy_util.c
+++ b/modules/proxy/proxy_util.c
@@ -2406,6 +2406,13 @@ ap_proxy_determine_connection(apr_pool_t *p, request_rec *r,
apr_pstrcat(p,"URI cannot be parsed: ", *url,
NULL));
}
+
+ if (!uri->hostname) {
+ return ap_proxyerror(r, HTTP_BAD_REQUEST,
+ apr_pstrcat(p,"URI has no hostname: ", *url,
+ NULL));
+ }
+
if (!uri->port) {
uri->port = ap_proxy_port_of_scheme(uri->scheme);
}
@@ -3727,6 +3734,10 @@ PROXY_DECLARE(int) ap_proxy_create_hdrbrgd(apr_pool_t *p,
* way. No telling which legacy backend is relying no this.
*/
if (dconf->preserve_host == 0) {
+ if (!uri->hostname) {
+ rc = HTTP_BAD_REQUEST;
+ goto cleanup;
+ }
if (ap_strchr_c(uri->hostname, ':')) { /* if literal IPv6 address */
if (uri->port_str && uri->port != DEFAULT_HTTP_PORT) {
buf = apr_pstrcat(p, "Host: [", uri->hostname, "]:",