Submitted By:            Douglas R. Reno <renodr at linuxfromscratch dot org>
Date:                    2021-12-18
Initial Package Version: 2.8.9rel.1
Upstream Status:         Applied
Origin:                  Arch Linux (https://github.com/archlinux/svntogit-packages/blob/packages/lynx/trunk/CVE-2021-38165.diff)
Description:             Fixes CVE-2021-38165 in Lynx, which allows for
                         usernames and passwords to be transmitted in cleartext
                         anytime an HTTPS connection is used. 

diff -Naurp lynx2.8.9rel.1.orig/WWW/Library/Implementation/HTTP.c lynx2.8.9rel.1/WWW/Library/Implementation/HTTP.c
--- lynx2.8.9rel.1.orig/WWW/Library/Implementation/HTTP.c	2018-05-04 15:07:43.000000000 -0500
+++ lynx2.8.9rel.1/WWW/Library/Implementation/HTTP.c	2021-12-18 14:12:57.503796366 -0600
@@ -761,6 +761,22 @@ static char *StripIpv6Brackets(char *hos
     return host;
 }
 #endif
+/*
+ * Remove user/password, if any, from the given host-string.
+ */
+#ifdef USE_SSL
+static char *StripUserAuthents(char *host)
+{
+   char *p = strchr(host, '@');
+
+   if (p != NULL) {
+      char *q = host;
+
+      while ((*q++ = *++p) != '\0') ;
+   }
+   return host;
+}
+#endif
 
 /*		Load Document from HTTP Server			HTLoadHTTP()
  *		==============================
@@ -957,6 +973,7 @@ static int HTLoadHTTP(const char *arg,
 	/* get host we're connecting to */
 	ssl_host = HTParse(url, "", PARSE_HOST);
 	ssl_host = StripIpv6Brackets(ssl_host);
+	ssl_host = StripUserAuthents(ssl_host);
 #if defined(USE_GNUTLS_FUNCS)
 	ret = gnutls_server_name_set(handle->gnutls_state,
 				     GNUTLS_NAME_DNS,