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Advisories

CANBoat - Off-by-One Global Buffer Overflow in searchForPgn()

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severity
high
date
Affecting

  • CANBoat <= 6.22, fixed in commit a5a22b7

CWE
  • CWE-193 Off-by-one Error
CVSS
7
CVSS V4 Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N
Credit
FuzzingLabs
Description
CANBoat through 6.22, fixed in commit a5a22b7, contains an off-by-one global buffer overflow in the searchForPgn() function in analyzer/pgn.c that allows remote attackers to crash the application. Attackers can deliver a crafted NMEA-2000 message with an out-of-range PGN value over CAN bus or N2K-over-IP to trigger an out-of-bounds array access and denial of service.

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