From d4b763c6359d67e1efe9b5e1fde41c0b82eb3d58 Mon Sep 17 00:00:00 2001 From: xuxuepeng Date: Wed, 23 Aug 2023 01:51:35 +0000 Subject: [PATCH 03/10] !2118 Fix exec buffer overflow * Fix buffer overflow for exec --- src/daemon/modules/service/service_container.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/daemon/modules/service/service_container.c b/src/daemon/modules/service/service_container.c index 9960ace1..0f4a1ed6 100644 --- a/src/daemon/modules/service/service_container.c +++ b/src/daemon/modules/service/service_container.c @@ -2016,7 +2016,7 @@ static void get_exec_command(const container_exec_request *request, char *exec_c for (i = 0; i < request->argv_len; i++) { if (strlen(request->argv[i]) < len - strlen(exec_command)) { (void)strcat(exec_command, request->argv[i]); - if (i != (request->argv_len - 1)) { + if (i != (request->argv_len - 1) && len - strlen(exec_command) > 1) { (void)strcat(exec_command, " "); } } else { -- 2.25.1