next fails if string is not found in binary

fixes #2306
Gallopsled · Nov 25, 2023 · 5957218 · 5957218
1 parent d10c70f
commit 5957218
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/pwnlib/commandline/libcdb.py b/pwnlib/commandline/libcdb.py
@@ -177,8 +177,11 @@ def translate_offset(offs, args, exe):
 
 def collect_synthetic_symbols(exe):
     available_symbols = ['str_bin_sh']
-    exe.symbols['str_bin_sh'] = next(exe.search(b'/bin/sh\x00'))
-
+    try:
+        exe.symbols['str_bin_sh'] = next(exe.search(b'/bin/sh\x00'))
+    except:
+        pass
+
     libc_start_main_return = exe.libc_start_main_return
     if libc_start_main_return > 0:
         exe.symbols['__libc_start_main_ret'] = libc_start_main_return