https://sourceware.org/bugzilla/show_bug.cgi?id=29201
Bug ID: 29201
Summary: Stack Overflow Infinite Recursion in nm-new
Product: binutils
Version: 2.36.1
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: abhishah212 at gmail dot com
Target Milestone: ---
Created attachment 14123
--> https://sourceware.org/bugzilla/attachment.cgi?id=14123&action=edit
poc for stack overflow
We found a stack overflow resulting from a unbounded recursion in `nm-ew`. We
discuss our understanding of the vulnerability below. We attach the relevant
files as well.
*Location*
https://github.com/bminor/binutils-gdb/blob/binutils-2_36-branch/libiberty/rust-demangle.c#L696
*Description*
Recursive call to demangle_path never hits base case.
*Fix*
Attach a recursion depth for recursive function.
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