add stack canary explainer

2023-03-13 15:23:37 +01:00 · 2023-03-13 15:23:37 +01:00 · 7da89e8fbb
commit 7da89e8fbb
parent 03cd6ada44
1 changed files with 2 additions and 2 deletions
--- a/index.html
+++ b/index.html
@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
  <head>
-    <title>Old skool stack smashing</title>
+    <title>♫ Stack smashing like it's 1999 ♫</title>
    <meta charset="utf-8">
    <style>
      @import url(https://fonts.googleapis.com/css?family=Droid+Serif);
@ -384,7 +384,7 @@ template: inverse
 ]
 .right-column[
 - Stack canaries<br>
-  Place a value before the return address and check if it's been changed before returning from a function.
+  Place a value before the return address and check if it's been changed before returning from a function. (Good explainer here: https://www.sans.org/blog/stack-canaries-gingerly-sidestepping-the-cage/)
 - Nonexecutable stack<br>
  W^X (write or execute) won't execute code on the stack (but will still follow return addresses).
 - Randomization<br>