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pkcs15-tccardos: Avoid negative indexing

This commit is contained in:
Jakub Jelen 2019-08-26 13:36:28 +02:00 committed by Frank Morgner
parent cab5d3da17
commit 489886724f
1 changed files with 1 additions and 1 deletions
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2
src/libopensc/pkcs15-tccardos.c
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@ -215,7 +215,7 @@ static int parse_EF_CardInfo(sc_pkcs15_card_t *p15card)
/* read EF_CardInfo1 */
r = read_file(p15card->card, "3F001003b200", info1, &info1_len);
if (r != SC_SUCCESS)
if (r != SC_SUCCESS || info1_len < 4)
return SC_ERROR_WRONG_CARD;
/* read EF_CardInfo2 */
r = read_file(p15card->card, "3F001003b201", info2, &info2_len);