From 6dc5bd57af2f5cc6b8c953d2b223d3b012b2400b Mon Sep 17 00:00:00 2001 From: xiechengliang Date: Fri, 19 Nov 2021 18:34:10 +0800 Subject: [PATCH] busybox: fix CVE-2021-42373 backport from upstream: https://git.busybox.net/busybox/commit/?id=4d4fc5ca5ee4faae5dc4237f801d9527a3fb20cc Signed-off-by: xiechengliang --- miscutils/man.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/miscutils/man.c b/miscutils/man.c index 722f6641e..d319e8bba 100644 --- a/miscutils/man.c +++ b/miscutils/man.c @@ -324,7 +324,7 @@ int man_main(int argc UNUSED_PARAM, char **argv) /* is 1st ARG a SECTION? */ sec_list = conf_sec_list; - if (is_section_name(conf_sec_list, *argv)) { + if (is_section_name(conf_sec_list, *argv) && argv[1]) { /* yes */ sec_list = *argv++; } -- 2.27.0