tinyproxy: fix CVE-2022-40468

(cherry-picked from 795ccdd86c)

Signed-off-by: Chee Yang Lee <chee.yang.lee@intel.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>

meta-networking/recipes-support/tinyproxy/tinyproxy/CVE-2022-40468.patch

@@ -0,0 +1,33 @@
+From 3764b8551463b900b5b4e3ec0cd9bb9182191cb7 Mon Sep 17 00:00:00 2001
+From: rofl0r <rofl0r@users.noreply.github.com>
+Date: Thu, 8 Sep 2022 15:18:04 +0000
+Subject: [PATCH] prevent junk from showing up in error page in invalid
+ requests
+
+fixes #457
+
+https://github.com/tinyproxy/tinyproxy/commit/3764b8551463b900b5b4e3ec0cd9bb9182191cb7
+Upstream-Status: Backport
+CVE: CVE-2022-40468
+Signed-off-by: Chee Yang Lee <chee.yang.lee@intel.com>
+---
+ src/reqs.c | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/src/reqs.c b/src/reqs.c
+index bce69819..45db118d 100644
+--- a/src/reqs.c
++++ b/src/reqs.c
+@@ -343,8 +343,12 @@ static struct request_s *process_request (struct conn_s *connptr,
+                 goto fail;
+         }
+ 
++        /* zero-terminate the strings so they don't contain junk in error page */
++        request->method[0] = url[0] = request->protocol[0] = 0;
++
+         ret = sscanf (connptr->request_line, "%[^ ] %[^ ] %[^ ]",
+                       request->method, url, request->protocol);
++
+         if (ret == 2 && !strcasecmp (request->method, "GET")) {
+                 request->protocol[0] = 0;
+ 

meta-networking/recipes-support/tinyproxy/tinyproxy_1.11.0.bb

@@ -7,6 +7,7 @@ SRC_URI = "https://github.com/${BPN}/${BPN}/releases/download/${PV}/${BP}.tar.gz
            file://disable-documentation.patch \
            file://tinyproxy.service \
            file://tinyproxy.conf \
+           file://CVE-2022-40468.patch \
            "
 
 SRC_URI[md5sum] = "658db5558ffb849414341b756a546a99"