forked from pool/opensc
26 lines
830 B
Diff
26 lines
830 B
Diff
|
From df5a176bfdf8c52ba89c7fef1f82f6f3b9312bc1 Mon Sep 17 00:00:00 2001
|
||
|
|
From: Veronika Hanulikova <xhanulik@fi.muni.cz>
|
||
|
|
Date: Fri, 10 Feb 2023 11:47:34 +0100
|
||
|
|
Subject: [PATCH] Check array bounds
|
||
|
|
|
||
|
|
Thanks OSS-Fuzz
|
||
|
|
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=54312
|
||
|
|
---
|
||
|
|
src/libopensc/muscle.c | 3 +++
|
||
|
|
1 file changed, 3 insertions(+)
|
||
|
|
|
||
|
|
diff --git a/src/libopensc/muscle.c b/src/libopensc/muscle.c
|
||
|
|
index 61a4ec24d8..9d01e0c113 100644
|
||
|
|
--- a/src/libopensc/muscle.c
|
||
|
|
+++ b/src/libopensc/muscle.c
|
||
|
|
@@ -181,6 +181,9 @@ int msc_partial_update_object(sc_card_t *card, msc_id objectId, int offset, cons
|
||
|
|
sc_apdu_t apdu;
|
||
|
|
int r;
|
||
|
|
|
||
|
|
+ if (dataLength + 9 > MSC_MAX_APDU)
|
||
|
|
+ return SC_ERROR_INVALID_ARGUMENTS;
|
||
|
|
+
|
||
|
|
sc_format_apdu(card, &apdu, SC_APDU_CASE_3_SHORT, 0x54, 0x00, 0x00);
|
||
|
|
apdu.lc = dataLength + 9;
|
||
|
|
if (card->ctx->debug >= 2)
|