WireGuard-Linux Stack-Based Buffer Overflow in lsiio (Linux IIO Userspace Tool) Due to Unbounded fscanf

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Metadaten

  • Original (extern): Link oeffnen
  • Veroeffentlicht: 2026-09-04 00:13 UTC
  • Importiert: 2026-09-04 01:57 UTC
  • Quelle-ID: full_disc
  • uid_hash: fdd9c5d663e8b20202fed71c6a7b4d69acfebe026896a451dc79039f20297c4c

Inhalt

Posted by Ron E on Sep 03 Description:

A stack-based buffer overflow exists in the Linux Industrial I/O (IIO)

userspace utility lsiio. The vulnerability occurs in the

find_type_by_name() function, where the program reads an unbounded string

from a filesystem-backed attribute into a fixed-size stack buffer using

fscanf("%s", ...).

If a crafted or oversized attribute value is present, the unbounded read

causes a write beyond the bounds of the destination stack...

No data

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