File opensc-CVE-2023-40661-3of8.patch of Package opensc

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File opensc-CVE-2023-40661-3of8.patch of Package opensc

From 5631e9843c832a99769def85b7b9b68b4e3e3959 Mon Sep 17 00:00:00 2001
From: Veronika Hanulikova <xhanulik@fi.muni.cz>
Date: Fri, 3 Mar 2023 16:07:38 +0100
Subject: [PATCH] Check length of string before making copy

Thanks OSS-Fuzz
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=55851
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=55998
---
 src/pkcs15init/profile.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/pkcs15init/profile.c b/src/pkcs15init/profile.c
index 2b793b0282..3bad1e8536 100644
--- a/src/pkcs15init/profile.c
+++ b/src/pkcs15init/profile.c
@@ -1575,7 +1575,10 @@ do_acl(struct state *cur, int argc, char **argv)
 	while (argc--) {
 		unsigned int	op, method, id;
 
+		if (strlen(*argv) >= sizeof(oper))
+			goto bad;
 		strlcpy(oper, *argv++, sizeof(oper));
+
 		if ((what = strchr(oper, '=')) == NULL)
 			goto bad;
 		*what++ = '\0';
@@ -2288,6 +2291,9 @@ get_authid(struct state *cur, const char *value,
 		return get_uint(cur, value, type);
 	}
 
+	if (strlen(value) >= sizeof(temp))
+		return 1;
+
 	n = strcspn(value, "0123456789x");
 	strlcpy(temp, value, (sizeof(temp) > n) ? n + 1 : sizeof(temp));

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File opensc-CVE-2023-40661-3of8.patch of Package opensc

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