30 lines
1.1 KiB
Diff
30 lines
1.1 KiB
Diff
From 3395407f083eae362637d7a29e31c97008a57f4f Mon Sep 17 00:00:00 2001
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From: Simon Josefsson <simon@josefsson.org>
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Date: Wed, 17 Aug 2022 12:25:06 +0200
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Subject: [PATCH] lib/libtasn1: Fix ETYPE_OK off by one array size check
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Reported by David Trabish in
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<https://gitlab.com/gnutls/libtasn1/-/issues/32>.
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Signed-off-by: Simon Josefsson <simon@josefsson.org>
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---
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grub-core/lib/libtasn1/lib/int.h | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/grub-core/lib/libtasn1/lib/int.h b/grub-core/lib/libtasn1/lib/int.h
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index edfe84a..c15bfa6 100644
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--- a/grub-core/lib/libtasn1/lib/int.h
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+++ b/grub-core/lib/libtasn1/lib/int.h
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@@ -97,7 +97,7 @@ typedef struct tag_and_class_st
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# define ETYPE_TAG(etype) (_asn1_tags[etype].tag)
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# define ETYPE_CLASS(etype) (_asn1_tags[etype].class)
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# define ETYPE_OK(etype) (((etype) != ASN1_ETYPE_INVALID && \
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- (etype) <= _asn1_tags_size && \
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+ (etype) < _asn1_tags_size && \
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_asn1_tags[(etype)].desc != NULL)?1:0)
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# define ETYPE_IS_STRING(etype) ((etype == ASN1_ETYPE_GENERALSTRING || \
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--
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2.33.0
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