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libtomcrypt: backport a fix for CVE-2019-17362

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Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
This commit is contained in:
Martin Jansa 2023-07-19 01:38:39 +02:00 committed by Khem Raj
parent 51861886e0
commit d449d72c4b
2 changed files with 28 additions and 1 deletions
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25
meta-oe/recipes-crypto/libtomcrypt/libtomcrypt/CVE-2019-17362.patch Normal file
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@ -0,0 +1,25 @@
From 25c26a3b7a9ad8192ccc923e15cf62bf0108ef94 Mon Sep 17 00:00:00 2001
From: werew <werew@ret2libc.com>
Date: Thu, 3 Oct 2019 19:57:10 +0200
Subject: [PATCH] Fixes #507
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
---
Upstream-Status: Backport [https://github.com/libtom/libtomcrypt/commit/64d1153e5a515740ab56f39c46baf4cf6991a9d3]
src/pk/asn1/der/utf8/der_decode_utf8_string.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/pk/asn1/der/utf8/der_decode_utf8_string.c b/src/pk/asn1/der/utf8/der_decode_utf8_string.c
index 94555b99f..d3ed82bea 100644
--- a/src/pk/asn1/der/utf8/der_decode_utf8_string.c
+++ b/src/pk/asn1/der/utf8/der_decode_utf8_string.c
@@ -65,7 +65,7 @@ int der_decode_utf8_string(const unsigned char *in, unsigned long inlen,
/* count number of bytes */
for (z = 0; (tmp & 0x80) && (z <= 4); z++, tmp = (tmp << 1) & 0xFF);
- if (z > 4 || (x + (z - 1) > inlen)) {
+ if (z == 1 || z > 4 || (x + (z - 1) > inlen)) {
return CRYPT_INVALID_PACKET;
}

4
meta-oe/recipes-crypto/libtomcrypt/libtomcrypt_1.18.2.bb
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@ -6,7 +6,9 @@ LIC_FILES_CHKSUM = "file://LICENSE;md5=71baacc459522324ef3e2b9e052e8180"
DEPENDS += "libtool-cross"
SRC_URI = "git://github.com/libtom/libtomcrypt.git;protocol=https;branch=master"
SRC_URI = "git://github.com/libtom/libtomcrypt.git;protocol=https;branch=master \
file://CVE-2019-17362.patch \
"
SRCREV = "7e7eb695d581782f04b24dc444cbfde86af59853"