proftpd: Fix CVE-2024-57392

Upstream-Status: Backport from https://github.com/proftpd/proftpd/commit/981a37916fdb7b73435c6d5cdb01428b2269427d

Signed-off-by: Vijay Anusuri <vanusuri@mvista.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>

meta-networking/recipes-daemons/proftpd/files/CVE-2024-57392.patch

@@ -0,0 +1,42 @@
+From 981a37916fdb7b73435c6d5cdb01428b2269427d Mon Sep 17 00:00:00 2001
+From: TJ Saunders <tj@castaglia.org>
+Date: Sun, 9 Feb 2025 12:14:25 -0800
+Subject: [PATCH] Issue #1866: Some of the fuzzing tests submitted in the
+ advisory ran into existing null pointer dereferences (not buffer overflows);
+ let's correct them. (#1867)
+
+Upstream-Status: Backport [https://github.com/proftpd/proftpd/commit/981a37916fdb7b73435c6d5cdb01428b2269427d]
+CVE: CVE-2024-57392
+Signed-off-by: Vijay Anusuri <vanusuri@mvista.com>
+---
+ modules/mod_ls.c | 7 +++++--
+ 1 file changed, 5 insertions(+), 2 deletions(-)
+
+diff --git a/modules/mod_ls.c b/modules/mod_ls.c
+index 45a3187bd..f7abfe540 100644
+--- a/modules/mod_ls.c
++++ b/modules/mod_ls.c
+@@ -349,7 +349,8 @@ static int sendline(int flags, char *fmt, ...) {
+           errno != 0) {
+         int xerrno = errno;
+ 
+-        if (session.d != NULL) {
++        if (session.d != NULL &&
++	    session.d->outstrm != NULL) {
+           xerrno = PR_NETIO_ERRNO(session.d->outstrm);
+         }
+ 
+@@ -1039,7 +1040,9 @@ static int outputfiles(cmd_rec *cmd) {
+     return res;
+   }
+ 
+-  tail->down = NULL;
++  if (tail != NULL) {
++    tail->down = NULL;
++  }
+   tail = NULL;
+   colwidth = (colwidth | 7) + 1;
+   if (opt_l || !opt_C) {
+-- 
+2.25.1
+

meta-networking/recipes-daemons/proftpd/proftpd_1.3.7c.bb

@@ -15,6 +15,7 @@ SRC_URI = "git://github.com/proftpd/proftpd.git;branch=${BRANCH};protocol=https
            file://contrib.patch  \
            file://build_fixup.patch \
            file://proftpd.service \
+           file://CVE-2024-57392.patch \
            "
 
 S = "${WORKDIR}/git"