CVE-2016-7545

1 files changed, 7 insertions, 0 deletions

diff --git a/src/firejail/join.c b/src/firejail/join.c
index f11d85cfe..ea44019ca 100644
--- a/src/firejail/join.c
+++ b/src/firejail/join.c
@@ -30,6 +30,12 @@ static uint64_t caps = 0;
 static int apply_seccomp = 0;
 #define BUFLEN 4096
 
+static void signal_handler(int sig){
+        flush_stdin();
+
+        exit(sig);
+}
+
 static void extract_command(int argc, char **argv, int index) {
         EUID_ASSERT();
         if (index >= argc)
@@ -187,6 +193,7 @@ void join(pid_t pid, int argc, char **argv, int index) {
         char *homedir = cfg.homedir;
         
         extract_command(argc, argv, index);
+        signal (SIGTERM, signal_handler);
 
         // if the pid is that of a firejail  process, use the pid of the first child process
         EUID_ROOT();