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SUSE:SLE-12-SP1:GA
opensc.33796
opensc-CVE-2023-40661-2of8.patch
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File opensc-CVE-2023-40661-2of8.patch of Package opensc.33796
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)
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