fly316/PX4-Autopilot
7
0
Fork 0
mirror of https://gitee.com/mirrors_PX4/PX4-Autopilot.git synced 2026-04-14 10:07:39 +08:00
Code Issues Packages Projects Releases Wiki Activity

fix septentrio: ensure the crc check does not read past the buffer size

Browse Source 
in case the input data is invalid.
This commit is contained in:
Beat Küng 2025-06-11 14:35:59 +02:00 committed by Alexander Lerach
parent d13692ca46
commit ac74a02d7c
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/drivers/gnss/septentrio/sbf/decoder.cpp
View File

@ -243,7 +243,7 @@ bool Decoder::done() const
bool Decoder::can_parse() const
{
return done()
return done() && _message.header.length <= sizeof(_message)
&& _message.header.crc == buffer_crc16(reinterpret_cast<const uint8_t *>(&_message) + 4, _message.header.length - 4);
}