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| author | Tomas Mraz <tomas@openssl.org> | 2023-12-22 16:25:56 +0100 |
|---|---|---|
| committer | Tomas Mraz <tomas@openssl.org> | 2024-01-15 10:54:34 +0100 |
| commit | e09fc1d746a4fd15bb5c3d7bbbab950aadd005db (patch) | |
| tree | a5355086a070e72c0862e296810731a5e924003c /test/recipes/91-test_pkey_check.t | |
| parent | 486ab0fb003d05f89620662260486d31bd3faa8c (diff) | |
Limit the execution time of RSA public key check
Fixes CVE-2023-6237
If a large and incorrect RSA public key is checked with
EVP_PKEY_public_check() the computation could take very long time
due to no limit being applied to the RSA public key size and
unnecessarily high number of Miller-Rabin algorithm rounds
used for non-primality check of the modulus.
Now the keys larger than 16384 bits (OPENSSL_RSA_MAX_MODULUS_BITS)
will fail the check with RSA_R_MODULUS_TOO_LARGE error reason.
Also the number of Miller-Rabin rounds was set to 5.
Reviewed-by: Neil Horman <nhorman@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/23243)
Diffstat (limited to 'test/recipes/91-test_pkey_check.t')
| -rw-r--r-- | test/recipes/91-test_pkey_check.t | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/test/recipes/91-test_pkey_check.t b/test/recipes/91-test_pkey_check.t index dc7cc64533..f8088df14d 100644 --- a/test/recipes/91-test_pkey_check.t +++ b/test/recipes/91-test_pkey_check.t @@ -70,7 +70,7 @@ push(@positive_tests, ( "dhpkey.pem" )) unless disabled("dh"); -my @negative_pubtests = (); +my @negative_pubtests = ("rsapub_17k.pem"); # Too big RSA public key push(@negative_pubtests, ( "dsapub_noparam.der" |