diff options
Diffstat (limited to 'security/openssl31/files/patch-CVE-2023-5678')
-rw-r--r-- | security/openssl31/files/patch-CVE-2023-5678 | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/security/openssl31/files/patch-CVE-2023-5678 b/security/openssl31/files/patch-CVE-2023-5678 deleted file mode 100644 index 049d6d0727db..000000000000 --- a/security/openssl31/files/patch-CVE-2023-5678 +++ /dev/null @@ -1,172 +0,0 @@ -From ddeb4b6c6d527e54ce9a99cba785c0f7776e54b6 Mon Sep 17 00:00:00 2001 -From: Richard Levitte <levitte@openssl.org> -Date: Fri, 20 Oct 2023 09:18:19 +0200 -Subject: [PATCH] Make DH_check_pub_key() and DH_generate_key() safer yet - -We already check for an excessively large P in DH_generate_key(), but not in -DH_check_pub_key(), and none of them check for an excessively large Q. - -This change adds all the missing excessive size checks of P and Q. - -It's to be noted that behaviours surrounding excessively sized P and Q -differ. DH_check() raises an error on the excessively sized P, but only -sets a flag for the excessively sized Q. This behaviour is mimicked in -DH_check_pub_key(). - -Reviewed-by: Tomas Mraz <tomas@openssl.org> -Reviewed-by: Matt Caswell <matt@openssl.org> -Reviewed-by: Hugo Landau <hlandau@openssl.org> -(Merged from https://github.com/openssl/openssl/pull/22518) ---- - crypto/dh/dh_check.c | 12 ++++++++++++ - crypto/dh/dh_err.c | 3 ++- - crypto/dh/dh_key.c | 12 ++++++++++++ - crypto/err/openssl.txt | 1 + - include/crypto/dherr.h | 2 +- - include/openssl/dh.h | 6 +++--- - include/openssl/dherr.h | 3 ++- - 7 files changed, 33 insertions(+), 6 deletions(-) - -diff --git a/crypto/dh/dh_check.c b/crypto/dh/dh_check.c -index 7ba2beae7fd6b..e20eb62081c5e 100644 ---- crypto/dh/dh_check.c.orig -+++ crypto/dh/dh_check.c -@@ -249,6 +249,18 @@ int DH_check_pub_key_ex(const DH *dh, const BIGNUM *pub_key) - */ - int DH_check_pub_key(const DH *dh, const BIGNUM *pub_key, int *ret) - { -+ /* Don't do any checks at all with an excessively large modulus */ -+ if (BN_num_bits(dh->params.p) > OPENSSL_DH_CHECK_MAX_MODULUS_BITS) { -+ ERR_raise(ERR_LIB_DH, DH_R_MODULUS_TOO_LARGE); -+ *ret = DH_MODULUS_TOO_LARGE | DH_CHECK_PUBKEY_INVALID; -+ return 0; -+ } -+ -+ if (dh->params.q != NULL && BN_ucmp(dh->params.p, dh->params.q) < 0) { -+ *ret |= DH_CHECK_INVALID_Q_VALUE | DH_CHECK_PUBKEY_INVALID; -+ return 1; -+ } -+ - return ossl_ffc_validate_public_key(&dh->params, pub_key, ret); - } - -diff --git a/crypto/dh/dh_err.c b/crypto/dh/dh_err.c -index 4152397426cc9..f76ac0dd1463f 100644 ---- crypto/dh/dh_err.c.orig -+++ crypto/dh/dh_err.c -@@ -1,6 +1,6 @@ - /* - * Generated by util/mkerr.pl DO NOT EDIT -- * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved. -+ * Copyright 1995-2023 The OpenSSL Project Authors. All Rights Reserved. - * - * Licensed under the Apache License 2.0 (the "License"). You may not use - * this file except in compliance with the License. You can obtain a copy -@@ -54,6 +54,7 @@ static const ERR_STRING_DATA DH_str_reasons[] = { - {ERR_PACK(ERR_LIB_DH, 0, DH_R_PARAMETER_ENCODING_ERROR), - "parameter encoding error"}, - {ERR_PACK(ERR_LIB_DH, 0, DH_R_PEER_KEY_ERROR), "peer key error"}, -+ {ERR_PACK(ERR_LIB_DH, 0, DH_R_Q_TOO_LARGE), "q too large"}, - {ERR_PACK(ERR_LIB_DH, 0, DH_R_SHARED_INFO_ERROR), "shared info error"}, - {ERR_PACK(ERR_LIB_DH, 0, DH_R_UNABLE_TO_CHECK_GENERATOR), - "unable to check generator"}, -diff --git a/crypto/dh/dh_key.c b/crypto/dh/dh_key.c -index d84ea99241b9e..afc49f5cdc87d 100644 ---- crypto/dh/dh_key.c.orig -+++ crypto/dh/dh_key.c -@@ -49,6 +49,12 @@ int ossl_dh_compute_key(unsigned char *key, const BIGNUM *pub_key, DH *dh) - goto err; - } - -+ if (dh->params.q != NULL -+ && BN_num_bits(dh->params.q) > OPENSSL_DH_MAX_MODULUS_BITS) { -+ ERR_raise(ERR_LIB_DH, DH_R_Q_TOO_LARGE); -+ goto err; -+ } -+ - if (BN_num_bits(dh->params.p) < DH_MIN_MODULUS_BITS) { - ERR_raise(ERR_LIB_DH, DH_R_MODULUS_TOO_SMALL); - return 0; -@@ -267,6 +273,12 @@ static int generate_key(DH *dh) - return 0; - } - -+ if (dh->params.q != NULL -+ && BN_num_bits(dh->params.q) > OPENSSL_DH_MAX_MODULUS_BITS) { -+ ERR_raise(ERR_LIB_DH, DH_R_Q_TOO_LARGE); -+ return 0; -+ } -+ - if (BN_num_bits(dh->params.p) < DH_MIN_MODULUS_BITS) { - ERR_raise(ERR_LIB_DH, DH_R_MODULUS_TOO_SMALL); - return 0; -diff --git a/crypto/err/openssl.txt b/crypto/err/openssl.txt -index a1e6bbb617fcb..69e4f61aa1801 100644 ---- crypto/err/openssl.txt.orig -+++ crypto/err/openssl.txt -@@ -513,6 +513,7 @@ DH_R_NO_PARAMETERS_SET:107:no parameters set - DH_R_NO_PRIVATE_VALUE:100:no private value - DH_R_PARAMETER_ENCODING_ERROR:105:parameter encoding error - DH_R_PEER_KEY_ERROR:111:peer key error -+DH_R_Q_TOO_LARGE:130:q too large - DH_R_SHARED_INFO_ERROR:113:shared info error - DH_R_UNABLE_TO_CHECK_GENERATOR:121:unable to check generator - DSA_R_BAD_FFC_PARAMETERS:114:bad ffc parameters -diff --git a/include/crypto/dherr.h b/include/crypto/dherr.h -index bb24d131eb887..519327f795742 100644 ---- include/crypto/dherr.h.orig -+++ include/crypto/dherr.h -@@ -1,6 +1,6 @@ - /* - * Generated by util/mkerr.pl DO NOT EDIT -- * Copyright 2020-2021 The OpenSSL Project Authors. All Rights Reserved. -+ * Copyright 2020-2023 The OpenSSL Project Authors. All Rights Reserved. - * - * Licensed under the Apache License 2.0 (the "License"). You may not use - * this file except in compliance with the License. You can obtain a copy -diff --git a/include/openssl/dh.h b/include/openssl/dh.h -index 8bc17448a0817..f1c0ed06b375a 100644 ---- include/openssl/dh.h.orig -+++ include/openssl/dh.h -@@ -144,7 +144,7 @@ DECLARE_ASN1_ITEM(DHparams) - # define DH_GENERATOR_3 3 - # define DH_GENERATOR_5 5 - --/* DH_check error codes */ -+/* DH_check error codes, some of them shared with DH_check_pub_key */ - /* - * NB: These values must align with the equivalently named macros in - * internal/ffc.h. -@@ -154,10 +154,10 @@ DECLARE_ASN1_ITEM(DHparams) - # define DH_UNABLE_TO_CHECK_GENERATOR 0x04 - # define DH_NOT_SUITABLE_GENERATOR 0x08 - # define DH_CHECK_Q_NOT_PRIME 0x10 --# define DH_CHECK_INVALID_Q_VALUE 0x20 -+# define DH_CHECK_INVALID_Q_VALUE 0x20 /* +DH_check_pub_key */ - # define DH_CHECK_INVALID_J_VALUE 0x40 - # define DH_MODULUS_TOO_SMALL 0x80 --# define DH_MODULUS_TOO_LARGE 0x100 -+# define DH_MODULUS_TOO_LARGE 0x100 /* +DH_check_pub_key */ - - /* DH_check_pub_key error codes */ - # define DH_CHECK_PUBKEY_TOO_SMALL 0x01 -diff --git a/include/openssl/dherr.h b/include/openssl/dherr.h -index 5d2a762a96f8c..074a70145f9f5 100644 ---- include/openssl/dherr.h.orig -+++ include/openssl/dherr.h -@@ -1,6 +1,6 @@ - /* - * Generated by util/mkerr.pl DO NOT EDIT -- * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved. -+ * Copyright 1995-2023 The OpenSSL Project Authors. All Rights Reserved. - * - * Licensed under the Apache License 2.0 (the "License"). You may not use - * this file except in compliance with the License. You can obtain a copy -@@ -50,6 +50,7 @@ - # define DH_R_NO_PRIVATE_VALUE 100 - # define DH_R_PARAMETER_ENCODING_ERROR 105 - # define DH_R_PEER_KEY_ERROR 111 -+# define DH_R_Q_TOO_LARGE 130 - # define DH_R_SHARED_INFO_ERROR 113 - # define DH_R_UNABLE_TO_CHECK_GENERATOR 121 - |