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libgcrypt/libgcrypt-md-Fix-gcry_md_algo_info-to-mark-reject-under-FIPS-mode.patch
Pedro Monreal Gonzalez b5b243be7f - Security fix [bsc#1221107, CVE-2024-2236]
* Add --enable-marvin-workaround to spec to enable workaround
  * Fix  timing based side-channel in RSA implementation ( Marvin attack ) 
  * Add libgcrypt-CVE-2024-2236.patch

OBS-URL: https://build.opensuse.org/package/show/devel:libraries:c_c++/libgcrypt?expand=0&rev=193
2025-06-10 07:06:49 +00:00

83 lines
2.2 KiB
Diff

From 2f17a98a80b155e750ab77d4703e33612e545d58 Mon Sep 17 00:00:00 2001
From: NIIBE Yutaka <gniibe@fsij.org>
Date: Tue, 25 Feb 2025 16:27:25 +0900
Subject: [PATCH 1/4] md: Fix gcry_md_algo_info to mark/reject under FIPS mode.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
* cipher/md.c (check_digest_algo): Fix for marking non-compliance.
* src/visibility.c (gcry_md_algo_info): Add check with
fips_is_operational.
--
GnuPG-bug-id: 7338
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
Signed-off-by: Lucas Mülling <lucas.mulling@suse.com>
---
cipher/md.c | 26 ++++++++++++++++++++++----
src/visibility.c | 3 +++
2 files changed, 25 insertions(+), 4 deletions(-)
diff --git a/cipher/md.c b/cipher/md.c
index f600e7bb..caf33afc 100644
--- a/cipher/md.c
+++ b/cipher/md.c
@@ -436,16 +436,34 @@ _gcry_md_algo_name (int algorithm)
static gcry_err_code_t
-check_digest_algo (int algorithm)
+check_digest_algo (int algo)
{
const gcry_md_spec_t *spec;
+ int reject = 0;
- spec = spec_from_algo (algorithm);
- if (spec && !spec->flags.disabled && (spec->flags.fips || !fips_mode ()))
+ spec = spec_from_algo (algo);
+ if (!spec)
+ return GPG_ERR_DIGEST_ALGO;
+
+ if (spec->flags.disabled)
+ return GPG_ERR_DIGEST_ALGO;
+
+ if (!fips_mode ())
return 0;
- return GPG_ERR_DIGEST_ALGO;
+ if (spec->flags.fips)
+ return 0;
+
+ if (algo == GCRY_MD_MD5)
+ reject = fips_check_rejection (GCRY_FIPS_FLAG_REJECT_MD_MD5);
+ else
+ reject = fips_check_rejection (GCRY_FIPS_FLAG_REJECT_MD_OTHERS);
+
+ if (reject)
+ return GPG_ERR_DIGEST_ALGO;
+ fips_service_indicator_mark_non_compliant ();
+ return 0;
}
diff --git a/src/visibility.c b/src/visibility.c
index e02d6cfe..4134446a 100644
--- a/src/visibility.c
+++ b/src/visibility.c
@@ -1373,6 +1373,9 @@ gcry_md_info (gcry_md_hd_t h, int what, void *buffer, size_t *nbytes)
gcry_error_t
gcry_md_algo_info (int algo, int what, void *buffer, size_t *nbytes)
{
+ if (!fips_is_operational ())
+ return gpg_error (fips_not_operational ());
+ fips_service_indicator_init ();
return gpg_error (_gcry_md_algo_info (algo, what, buffer, nbytes));
}
--
2.49.0