first commit

1 files changed, 34 insertions, 0 deletions

diff --git a/overflow.c b/overflow.c
new file mode 100644
index 0000000..de2a1ab
--- /dev/null
+++ b/overflow.c
@@ -0,0 +1,34 @@
+/*
+ * overflow.c
+ *
+ *  Created on: 27.01.2012
+ *      Author: druid
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#define ENV_VAR   "EXPLOIT"
+#define BUFLEN    256
+
+u_char buf[BUFLEN];
+u_char *env;
+
+int
+main()
+{
+  if (env = getenv(ENV_VAR))
+    {
+      fprintf(stderr, "env: "ENV_VAR" set\n");
+      fprintf(stderr, "env: %s\n", env);
+
+      strcpy(buf, env);
+    }
+  else
+    {
+      fprintf(stderr, "env: "ENV_VAR" not set, abort!\n");
+    }
+
+  return 0;
+}