forked from pool/opensc
27 lines
1.1 KiB
Diff
27 lines
1.1 KiB
Diff
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From 41d61da8481582e12710b5858f8b635e0a71ab5e Mon Sep 17 00:00:00 2001
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From: Jakub Jelen <jjelen@redhat.com>
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Date: Wed, 20 Sep 2023 10:13:57 +0200
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Subject: [PATCH] oberthur: Avoid buffer overflow
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Thanks oss-fuzz
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https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=60650
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---
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src/pkcs15init/pkcs15-oberthur.c | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/src/pkcs15init/pkcs15-oberthur.c b/src/pkcs15init/pkcs15-oberthur.c
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index ad2cabd530..c441ab1e76 100644
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--- a/src/pkcs15init/pkcs15-oberthur.c
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+++ b/src/pkcs15init/pkcs15-oberthur.c
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@@ -715,6 +715,9 @@ cosm_create_key(struct sc_profile *profile, struct sc_pkcs15_card *p15card,
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if (object->type != SC_PKCS15_TYPE_PRKEY_RSA)
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LOG_TEST_RET(ctx, SC_ERROR_NOT_SUPPORTED, "Create key failed: RSA only supported");
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+ if (key_info->path.len < 2)
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+ LOG_TEST_RET(ctx, SC_ERROR_OBJECT_NOT_VALID, "The path needs to be at least to bytes long");
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+
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sc_log(ctx, "create private key ID:%s", sc_pkcs15_print_id(&key_info->id));
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/* Here, the path of private key file should be defined.
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* Nevertheless, we need to instantiate private key to get the ACLs. */
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