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AES-SIV cipher implementation contains a bug that causes it to ignore empty associated data entries

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Resolves: RHEL-5302
This commit is contained in:
Dmitry Belyavskiy 2023-10-18 11:15:19 +02:00
parent fa5df9d74b
commit 6775e82636
2 changed files with 34 additions and 0 deletions
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30
0125-CVE-2023-2975.patch Normal file
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@ -0,0 +1,30 @@
diff --git a/providers/implementations/ciphers/cipher_aes_siv.c b/providers/implementations/ciphers/cipher_aes_siv.c
index 45010b90db..b396c8651a 100644
--- a/providers/implementations/ciphers/cipher_aes_siv.c
+++ b/providers/implementations/ciphers/cipher_aes_siv.c
@@ -120,14 +120,18 @@ static int siv_cipher(void *vctx, unsigned char *out, size_t *outl,
if (!ossl_prov_is_running())
return 0;
- if (inl == 0) {
- *outl = 0;
- return 1;
- }
+ /* Ignore just empty encryption/decryption call and not AAD. */
+ if (out != NULL) {
+ if (inl == 0) {
+ if (outl != NULL)
+ *outl = 0;
+ return 1;
+ }
- if (outsize < inl) {
- ERR_raise(ERR_LIB_PROV, PROV_R_OUTPUT_BUFFER_TOO_SMALL);
- return 0;
+ if (outsize < inl) {
+ ERR_raise(ERR_LIB_PROV, PROV_R_OUTPUT_BUFFER_TOO_SMALL);
+ return 0;
+ }
}
if (ctx->hw->cipher(ctx, out, in, inl) <= 0)

4
openssl.spec
View File

@ -197,6 +197,7 @@ Patch121: 0121-FIPS-cms-defaults.patch
Patch122: 0122-CVE-2023-2650.patch Patch122: 0122-CVE-2023-2650.patch
# https://github.com/openssl/openssl/pull/19386 # https://github.com/openssl/openssl/pull/19386
Patch123: 0123-ibmca-atexit-crash.patch Patch123: 0123-ibmca-atexit-crash.patch
Patch125: 0125-CVE-2023-2975.patch
License: ASL 2.0 License: ASL 2.0
URL: http://www.openssl.org/ URL: http://www.openssl.org/
@ -533,6 +534,9 @@ ln -s /etc/crypto-policies/back-ends/openssl_fips.config $RPM_BUILD_ROOT%{_sysco
Resolves: RHEL-1780 Resolves: RHEL-1780
- Forbid explicit curves when created via EVP_PKEY_fromdata - Forbid explicit curves when created via EVP_PKEY_fromdata
Resolves: RHEL-5304 Resolves: RHEL-5304
- AES-SIV cipher implementation contains a bug that causes it to ignore empty
associated data entries (CVE-2023-2975)
Resolves: RHEL-5302
* Wed Jul 12 2023 Dmitry Belyavskiy <dbelyavs@redhat.com> - 1:3.0.7-24 * Wed Jul 12 2023 Dmitry Belyavskiy <dbelyavs@redhat.com> - 1:3.0.7-24
- Make FIPS module configuration more crypto-policies friendly - Make FIPS module configuration more crypto-policies friendly