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Advisories

rtl_433 through 25.12 Stack-Based Buffer Overflow via Proflame 2 Decoder

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Severity
high
Date
Affecting

  • rtl_433 >= 21.12, <= 25.12

CWE
  • CWE-121 Stack-based Buffer Overflow
CVSS
7.1
CVSS V4 Vector
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
Credit
Hamza Ghaffari, Hamza Ghaffari
Description
rtl_433 through 25.12 contains a stack-based buffer overflow vulnerability in proflame2_mc() that allows nearby attackers to write past a 7-byte stack buffer by sending more than seven valid Manchester-coded words. Attackers can transmit a crafted OOK radio signal or supply a crafted signal file to crash rtl_433 and corrupt stack memory, enabling control-flow hijacking on builds without stack canaries.

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