Update pwndbg/glibc.py

4 years ago · 5c0627d65b
parent e0e32dca79
commit 5c0627d65b
1 changed files with 5 additions and 0 deletions
--- a/pwndbg/glibc.py
+++ b/pwndbg/glibc.py
@ -48,4 +48,9 @@ def OnlyWhenGlibcLoaded(function):

@OnlyWhenGlibcLoaded
 def check_safe_linking():
+    """
+    Safe-linking is a glibc 2.32 mitigation; see:
+    - https://lanph3re.blogspot.com/2020/08/blog-post.html
+    - https://research.checkpoint.com/2020/safe-linking-eliminating-a-20-year-old-malloc-exploit-primitive/
+    """
    return (get_version() >= (2, 32) or safe_lnk == "on") and safe_lnk != "off"