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50771922cb
* Fix excessive time spent checking DH q parameter value.
The function DH_check() performs various checks on DH parameters. After
fixing CVE-2023-3446 it was discovered that a large q parameter value can
also trigger an overly long computation during some of these checks.
A correct q value, if present, cannot be larger than the modulus p
parameter, thus it is unnecessary to perform these checks if q is larger
than p.
If DH_check() is called with such q parameter value,
DH_CHECK_INVALID_Q_VALUE return flag is set and the computationally
intensive checks are skipped.
([CVE-2023-3817])
*Tomáš Mráz*
* Fix DH_check() excessive time with over sized modulus.
The function DH_check() performs various checks on DH parameters. One of
those checks confirms that the modulus ("p" parameter) is not too large.
Trying to use a very large modulus is slow and OpenSSL will not normally use
a modulus which is over 10,000 bits in length.
However the DH_check() function checks numerous aspects of the key or
parameters that have been supplied. Some of those checks use the supplied
modulus value even if it has already been found to be too large.
A new limit has been added to DH_check of 32,768 bits. Supplying a
key/parameters with a modulus over this size will simply cause DH_check() to
fail.
([CVE-2023-3446])
*Matt Caswell*
* Do not ignore empty associated data entries with AES-SIV.
The AES-SIV algorithm allows for authentication of multiple associated
data entries along with the encryption. To authenticate empty data the
application has to call `EVP_EncryptUpdate()` (or `EVP_CipherUpdate()`)
with NULL pointer as the output buffer and 0 as the input buffer length.
The AES-SIV implementation in OpenSSL just returns success for such call
instead of performing the associated data authentication operation.
The empty data thus will not be authenticated. ([CVE-2023-2975])
Thanks to Juerg Wullschleger (Google) for discovering the issue.
The fix changes the authentication tag value and the ciphertext for
applications that use empty associated data entries with AES-SIV.
To decrypt data encrypted with previous versions of OpenSSL the application
has to skip calls to `EVP_DecryptUpdate()` for empty associated data
entries.
*Tomáš Mráz*
* When building with the `enable-fips` option and using the resulting
FIPS provider, TLS 1.2 will, by default, mandate the use of an extended
master secret (FIPS 140-3 IG G.Q) and the Hash and HMAC DRBGs will
not operate with truncated digests (FIPS 140-3 IG G.R).
*Paul Dale*
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
126 lines
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126 lines
4.1 KiB
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###############################################################################
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# #
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# IPFire.org - A linux based firewall #
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# Copyright (C) 2007-2023 IPFire Team <info@ipfire.org> #
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# #
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# This program is free software: you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation, either version 3 of the License, or #
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# (at your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program. If not, see <http://www.gnu.org/licenses/>. #
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# #
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###############################################################################
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###############################################################################
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# Definitions
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###############################################################################
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include Config
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VER = 3.1.2
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THISAPP = openssl-$(VER)
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DL_FILE = $(THISAPP).tar.gz
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DL_FROM = $(URL_IPFIRE)
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DIR_APP = $(DIR_SRC)/$(THISAPP)
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TARGET = $(DIR_INFO)/$(THISAPP)$(KCFG)
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CFLAGS += -DPURIFY -Wa,--noexecstack
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export RPM_OPT_FLAGS = $(CFLAGS)
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CONFIGURE_OPTIONS = \
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--prefix=/usr \
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--openssldir=/etc/ssl \
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shared \
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zlib-dynamic \
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enable-camellia \
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enable-seed \
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enable-rfc3779 \
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no-idea \
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no-mdc2 \
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no-rc5 \
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no-srp \
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no-aria \
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$(OPENSSL_ARCH)
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OPENSSL_ARCH = linux-generic64
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ifeq "$(BUILD_ARCH)" "aarch64"
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OPENSSL_ARCH = linux-aarch64
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endif
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ifeq "$(BUILD_ARCH)" "x86_64"
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OPENSSL_ARCH = linux-x86_64
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endif
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###############################################################################
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# Top-level Rules
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###############################################################################
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objects = $(DL_FILE)
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$(DL_FILE) = $(DL_FROM)/$(DL_FILE)
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$(DL_FILE)_BLAKE2 = 7b4ba35df7d5680c5f13a1986e4c6abaf4592690647dcfa84d7f14c196326355e8ad0ea62f81f8269f0605f0d29f18e9def9c2158fcbe00baefabf819f82374d
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install : $(TARGET)
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check : $(patsubst %,$(DIR_CHK)/%,$(objects))
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download :$(patsubst %,$(DIR_DL)/%,$(objects))
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b2 : $(subst %,%_BLAKE2,$(objects))
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###############################################################################
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# Downloading, checking, b2sum
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###############################################################################
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$(patsubst %,$(DIR_CHK)/%,$(objects)) :
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@$(CHECK)
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$(patsubst %,$(DIR_DL)/%,$(objects)) :
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@$(LOAD)
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$(subst %,%_BLAKE2,$(objects)) :
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@$(B2SUM)
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###############################################################################
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# Installation Details
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###############################################################################
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$(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
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@$(PREBUILD)
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@rm -rf $(DIR_APP) && cd $(DIR_SRC) && tar zxf $(DIR_DL)/$(DL_FILE)
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# Apply our CFLAGS
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cd $(DIR_APP) && sed -i Configure \
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-e "s/-O3 -fomit-frame-pointer/$(CFLAGS)/g"
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cd $(DIR_APP) && find crypto/ -name Makefile -exec \
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sed 's/^ASFLAGS=/&-Wa,--noexecstack /' -i {} \;
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cd $(DIR_APP) && ./Configure $(CONFIGURE_OPTIONS) \
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$(CFLAGS) $(LDFLAGS)
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cd $(DIR_APP) && make depend
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cd $(DIR_APP) && make $(MAKETUNING)
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# Install everything
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cd $(DIR_APP) && make install
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install -m 0644 $(DIR_SRC)/config/ssl/openssl.cnf /etc/ssl
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# Install RFC 7919 defined standard group ffdhe4096
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install -m 0644 $(DIR_SRC)/config/ssl/ffdhe4096.pem /etc/ssl
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@rm -rf $(DIR_APP)
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@$(POSTBUILD)
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