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import CS cjose-0.6.1-4.module_el8+568+35aaaaa0

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eabdullin 2023-10-16 09:31:13 +00:00
parent 4cea869292
commit a70538b3b3
3 changed files with 128 additions and 1 deletions
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25
SOURCES/0002-check-cjose_get_alloc.patch Normal file
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@ -0,0 +1,25 @@
commit 54d449473b21e93805070264791e80f84f601b4d
Author: Hans Zandbelt <hans.zandbelt@zmartzone.eu>
Date: Tue Apr 5 20:51:20 2022 +0200
check result of cek = cjose_get_alloc()(cek_len) in jwe.c
see: https://github.com/cisco/cjose/issues/110
Signed-off-by: Hans Zandbelt <hans.zandbelt@zmartzone.eu>
diff --git a/src/jwe.c b/src/jwe.c
index 4285097..157ddec 100644
--- a/src/jwe.c
+++ b/src/jwe.c
@@ -2064,6 +2064,10 @@ uint8_t *cjose_jwe_decrypt_multi(cjose_jwe_t *jwe, cjose_key_locator key_locator
{
cek_len = jwe->cek_len;
cek = cjose_get_alloc()(cek_len);
+ if (!cek) {
+ CJOSE_ERROR(err, CJOSE_ERR_NO_MEMORY);
+ return NULL;
+ }
memcpy(cek, jwe->cek, cek_len);
}
else

91
SOURCES/0003-CVE-2023-37464.patch Normal file
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@ -0,0 +1,91 @@
diff -up cjose-0.6.1/src/jwe.c.orig cjose-0.6.1/src/jwe.c
--- cjose-0.6.1/src/jwe.c.orig 2023-07-19 16:23:44.658712950 +0200
+++ cjose-0.6.1/src/jwe.c 2023-07-19 16:55:02.173914437 +0200
@@ -1227,6 +1227,12 @@ static bool _cjose_jwe_decrypt_dat_a256g
goto _cjose_jwe_decrypt_dat_a256gcm_fail;
}
+ if (jwe->enc_auth_tag.raw_len != 16)
+ {
+ CJOSE_ERROR(err, CJOSE_ERR_CRYPTO);
+ goto _cjose_jwe_decrypt_dat_a256gcm_fail;
+ }
+
// set the expected GCM-mode authentication tag
if (EVP_CIPHER_CTX_ctrl(ctx, CJOSE_EVP_CTRL_GCM_SET_TAG, jwe->enc_auth_tag.raw_len, jwe->enc_auth_tag.raw) != 1)
{
diff -up cjose-0.6.1/test/check_jwe.c.orig cjose-0.6.1/test/check_jwe.c
--- cjose-0.6.1/test/check_jwe.c.orig 2018-04-12 00:39:58.000000000 +0200
+++ cjose-0.6.1/test/check_jwe.c 2023-07-19 16:38:45.412336742 +0200
@@ -809,6 +809,63 @@ START_TEST(test_cjose_jwe_decrypt_aes)
}
END_TEST
+START_TEST(test_cjose_jwe_decrypt_aes_gcm)
+{
+ cjose_err err;
+
+ const char *key = JWK_OCT_32;
+ const char *plain1 = "Live long and prosper.";
+ char *compact1 = "eyJhbGciOiAiZGlyIiwgImVuYyI6ICJBMjU2R0NNIn0..Du_9fxxV-zrReaWC.aS_rpokeuxkaPc2sykcQDCQuJCYoww.GpeKGEqd8KQ0v6JNea5aSA";
+ char *compact2 = "eyJhbGciOiAiZGlyIiwgImVuYyI6ICJBMjU2R0NNIn0..Du_9fxxV-zrReaWC.aS_rpokeuxkaPc2sykcQDCQuJCYoww.Gp";
+
+ cjose_jwk_t *jwk = cjose_jwk_import(key, strlen(key), &err);
+ ck_assert_msg(NULL != jwk,
+ "cjose_jwk_import failed: "
+ "%s, file: %s, function: %s, line: %ld",
+ err.message, err.file, err.function, err.line);
+
+ cjose_jwe_t *jwe1 = cjose_jwe_import(compact1, strlen(compact1), &err);
+ ck_assert_msg(NULL != jwe1,
+ "cjose_jwe_import failed: "
+ "%s, file: %s, function: %s, line: %ld",
+ err.message, err.file, err.function, err.line);
+
+ uint8_t *plain2 = NULL;
+ size_t plain2_len = 0;
+ plain2 = cjose_jwe_decrypt(jwe1, jwk, &plain2_len, &err);
+ ck_assert_msg(NULL != plain2,
+ "cjose_jwe_decrypt failed: "
+ "%s, file: %s, function: %s, line: %ld",
+ err.message, err.file, err.function, err.line);
+
+ ck_assert_msg(plain2_len == strlen(plain1),
+ "length of decrypted plaintext does not match length of original, "
+ "expected: %lu, found: %lu",
+ strlen(plain1), plain2_len);
+ ck_assert_msg(strncmp(plain1, plain2, plain2_len) == 0, "decrypted plaintext does not match encrypted plaintext");
+
+ cjose_get_dealloc()(plain2);
+ cjose_jwe_release(jwe1);
+
+ cjose_jwe_t *jwe2 = cjose_jwe_import(compact2, strlen(compact2), &err);
+ ck_assert_msg(NULL != jwe2,
+ "cjose_jwe_import failed: "
+ "%s, file: %s, function: %s, line: %ld",
+ err.message, err.file, err.function, err.line);
+
+ uint8_t *plain3 = NULL;
+ size_t plain3_len = 0;
+ plain3 = cjose_jwe_decrypt(jwe2, jwk, &plain3_len, &err);
+ ck_assert_msg(NULL == plain3,
+ "cjose_jwe_decrypt succeeded where it should have failed: "
+ "%s, file: %s, function: %s, line: %ld",
+ err.message, err.file, err.function, err.line);
+
+ cjose_jwe_release(jwe2);
+ cjose_jwk_release(jwk);
+}
+END_TEST
+
START_TEST(test_cjose_jwe_decrypt_rsa)
{
struct cjose_jwe_decrypt_rsa
@@ -1210,6 +1267,7 @@ Suite *cjose_jwe_suite()
tcase_add_test(tc_jwe, test_cjose_jwe_self_encrypt_self_decrypt_large);
tcase_add_test(tc_jwe, test_cjose_jwe_self_encrypt_self_decrypt_many);
tcase_add_test(tc_jwe, test_cjose_jwe_decrypt_aes);
+ tcase_add_test(tc_jwe, test_cjose_jwe_decrypt_aes_gcm);
tcase_add_test(tc_jwe, test_cjose_jwe_decrypt_rsa);
tcase_add_test(tc_jwe, test_cjose_jwe_encrypt_with_bad_header);
tcase_add_test(tc_jwe, test_cjose_jwe_encrypt_with_bad_key);

13
SPECS/cjose.spec
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@ -1,6 +1,6 @@
Name: cjose
Version: 0.6.1
Release: 2%{?dist}
Release: 4%{?dist}
Summary: C library implementing the Javascript Object Signing and Encryption (JOSE)
License: MIT
@ -8,6 +8,8 @@ URL: https://github.com/cisco/cjose
Source0: https://github.com/cisco/%{name}/archive/%{version}/%{name}-%{version}.tar.gz
Patch1: concatkdf.patch
Patch2: 0002-check-cjose_get_alloc.patch
Patch3: 0003-CVE-2023-37464.patch
BuildRequires: gcc
BuildRequires: doxygen
@ -64,6 +66,15 @@ make check || (cat test/test-suite.log; exit 1)
%changelog
* Wed Jul 19 2023 <thalman@redhat.com> - 0.6.1-4
- CVE-2023-37464 cjose: AES GCM decryption uses the Tag length from the actual
Authentication Tag provided in the JWE
Resolves: rhbz#2223308
* Fri Mar 17 2023 <thalman@redhat.com> - 0.6.1-3
- Random memory override
Resolves: rhbz#2072469
* Thu Aug 2 2018 <jdennis@redhat.com> - 0.6.1-2
- fix concatkdf big endian architecture problem.
Upstream issue #77.