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NFC: Fix read crash with unexpectedly large MFC AUTH(0) response --nobuild

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This was noticeable with Chameleon Ultra NTAG emulation
This commit is contained in:
WillyJL
2025-08-23 17:43:10 +02:00
parent 3a7b0ac699
commit 050814e2a9
2 changed files with 9 additions and 1 deletions
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4
CHANGELOG.md
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@@ -45,7 +45,9 @@
- CLI: Fix long delay with quick connect/disconnect, qFlipper should connect faster as expected again (by @WillyJL)
- Bad KB: Fix modifier keys with HOLD/RELEASE commands (by @WillyJL)
- Desktop: Fix lock screen hang (#438 by @aaronjamt)
- NFC: Fix incorrect Saflok year formula (#433 by @Eltrick)
- NFC:
- Fix incorrect Saflok year formula (#433 by @Eltrick)
- Fix read crash with unexpectedly large MFC AUTH(0) response, eg with Chameleon Ultra NTAG emualtion (by @WillyJL)
- FBT: Fix redundant decl for apps using an icon disabled in API (by @WillyJL)
### Removed:

6
lib/nfc/protocols/iso14443_3a/iso14443_3a_poller_i.c
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@@ -42,7 +42,13 @@ static Iso14443_3aError iso14443_3a_poller_standard_frame_exchange(
break;
}
if(bit_buffer_get_capacity_bytes(rx_buffer) <
bit_buffer_get_size_bytes(instance->rx_buffer)) {
ret = Iso14443_3aErrorBufferOverflow;
break;
}
bit_buffer_copy(rx_buffer, instance->rx_buffer);
if(!iso14443_crc_check(Iso14443CrcTypeA, instance->rx_buffer)) {
ret = Iso14443_3aErrorWrongCrc;
break;