Changes between 3.0.15 and 3.0.16 [11 Feb 2025]
CVE-2024-13176[1] - Fixed timing side-channel in ECDSA signature
computation.
There is a timing signal of around 300 nanoseconds when the top word of
the inverted ECDSA nonce value is zero. This can happen with significant
probability only for some of the supported elliptic curves. In
particular the NIST P-521 curve is affected. To be able to measure this
leak, the attacker process must either be located in the same physical
computer or must have a very fast network connection with low latency.
CVE-2024-9143[2] - Fixed possible OOB memory access with invalid
low-level GF(2^m) elliptic curve parameters.
Use of the low-level GF(2^m) elliptic curve APIs with untrusted explicit
values for the field polynomial can lead to out-of-bounds memory reads
or writes. Applications working with "exotic" explicit binary (GF(2^m))
curve parameters, that make it possible to represent invalid field
polynomials with a zero constant term, via the above or similar APIs,
may terminate abruptly as a result of reading or writing outside of
array bounds. Remote code execution cannot easily be ruled out.
1. https://www.openssl.org/news/vulnerabilities.html#CVE-2024-13176
2. https://www.openssl.org/news/vulnerabilities.html#CVE-2024-9143
Build system: x86/64
Build-tested: bcm27xx/bcm2712
Run-tested: bcm27xx/bcm2712
Signed-off-by: John Audia <therealgraysky@proton.me>
Link: https://github.com/openwrt/openwrt/pull/17947
Signed-off-by: Robert Marko <robimarko@gmail.com>
New releases of openssl are only published on GitHub, and official
downloads are also redirected to GitHub. So remove the old download
mirrors (file 404), and replace the current address with https.
Link: https://openssl-library.org/source/
Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>
Link: https://github.com/openwrt/openwrt/pull/16470
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
OpenSSL 3.0.15 is a security patch release. The most severe CVE fixed in this release is Moderate.
This release incorporates the following bug fixes and mitigations:
* Fixed possible denial of service in X.509 name checks (CVE-2024-6119)
* Fixed possible buffer overread in SSL_select_next_proto() (CVE-2024-5535)
Added github releases url as source mirror
Signed-off-by: Ivan Pavlov <AuthorReflex@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/16332
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Currently, the build option to enable/disable engine support isn't
reflected in the final '/etc/ssl/openssl.cnf' config. It assumes `engines`
is always enabled, producing an error whenever running any
commands in openssl util or programs that explicitly use settings
from '/etc/ssl/openssl.cnf'.
```
➤ openssl version
FATAL: Startup failure (dev note: apps_startup()) for openssl
307D1EA97F000000:error:12800067:lib(37):dlfcn_load:reason(103):crypto/dso/dso_dlfcn.c:118:filename(libengines.so):
Error loading shared library libengines.so: No such file or directory
307D1EA97F000000:error:12800067:lib(37):DSO_load:reason(103):crypto/dso/dso_lib.c:152:
307D1EA97F000000:error:0700006E:lib(14):module_load_dso:reason(110):crypto/conf/conf_mod.c:321:module=engines, path=engines
307D1EA97F000000:error:07000071:lib(14):module_run:reason(113):crypto/conf/conf_mod.c:266:module=engines
```
Build should check for the `CONFIG_OPENSSL_ENGINE` option, and comment out `engines`
if not explicitly enabled.
Example:
```
[openssl_init]
providers = provider_sect
```
After this change, openssl util works correctly.
```
➤ openssl version
OpenSSL 3.0.14 4 Jun 2024 (Library: OpenSSL 3.0.14 4 Jun 2024)
```
Signed-off-by: Sean Khan <datapronix@protonmail.com>
Link: https://github.com/openwrt/openwrt/pull/15661
Signed-off-by: Robert Marko <robimarko@gmail.com>
Major changes between OpenSSL 3.0.13 and OpenSSL 3.0.14 [04-Jun-2024]
* Fixed potential use after free after SSL_free_buffers() is called.
[CVE-2024-4741]
* Fixed checking excessively long DSA keys or parameters may be very slow.
[CVE-2024-4603]
* Fixed an issue where some non-default TLS server configurations can cause
unbounded memory growth when processing TLSv1.3 sessions. An attacker may
exploit certain server configurations to trigger unbounded memory growth that
would lead to a Denial of Service. [CVE-2024-2511]
* New atexit configuration switch, which controls whether the OPENSSL_cleanup
is registered when libcrypto is unloaded. This can be used on platforms
where using atexit() from shared libraries causes crashes on exit
Signed-off-by: John Audia <therealgraysky@proton.me>
Build system: x86/64
Build-tested: x86/64/AMD Cezanne
Add "linux64-loongarch64-openwrt" into openssl configurations to enable
building on loongarch64 machines.
Signed-off-by: Weijie Gao <hackpascal@gmail.com>
Major changes between OpenSSL 3.0.12 and OpenSSL 3.0.13 [30 Jan 2024]
* Fixed PKCS12 Decoding crashes
([CVE-2024-0727])
* Fixed Excessive time spent checking invalid RSA public keys
([CVE-2023-6237])
* Fixed POLY1305 MAC implementation corrupting vector registers on PowerPC
CPUs which support PowerISA 2.07
([CVE-2023-6129])
* Fix excessive time spent in DH check / generation with large Q parameter
value ([CVE-2023-5678])
Signed-off-by: Ivan Pavlov <AuthorReflex@gmail.com>
Major changes between OpenSSL 3.0.11 and OpenSSL 3.0.12 [24 Oct 2023]
* Mitigate incorrect resize handling for symmetric cipher keys and IVs. (CVE-2023-5363)
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Changes between 3.0.10 and 3.0.11 [19 Sep 2023]
* Fix POLY1305 MAC implementation corrupting XMM registers on Windows. ([CVE-2023-4807])
Signed-off-by: Ivan Pavlov <AuthorReflex@gmail.com>
Changes between 3.0.9 and 3.0.10 [1 Aug 2023]
* Fix excessive time spent checking DH q parameter value ([CVE-2023-3817])
* Fix DH_check() excessive time with over sized modulus ([CVE-2023-3446])
* Do not ignore empty associated data entries with AES-SIV ([CVE-2023-2975])
Signed-off-by: Ivan Pavlov <AuthorReflex@gmail.com>
openssl sets additional cflags in its configuration script. We need to
make it aware of our custom cflags to avoid adding conflicting cflags.
Fixes: #12866
Signed-off-by: Jitao Lu <dianlujitao@gmail.com>
CVE-2023-2650 fix
Remove upstreamed patches
Major changes between OpenSSL 3.0.8 and OpenSSL 3.0.9 [30 May 2023]
* Mitigate for very slow OBJ_obj2txt() performance with gigantic OBJECT IDENTIFIER sub-identities. (CVE-2023-2650)
* Fixed buffer overread in AES-XTS decryption on ARM 64 bit platforms (CVE-2023-1255)
* Fixed documentation of X509_VERIFY_PARAM_add0_policy() (CVE-2023-0466)
* Fixed handling of invalid certificate policies in leaf certificates (CVE-2023-0465)
* Limited the number of nodes created in a policy tree (CVE-2023-0464)
Signed-off-by: Ivan Pavlov <AuthorReflex@gmail.com>
Built-in engine configs are added in libopenssl-conf/install stage
already, postinst/add_engine_config is just duplicating them, and
due to the lack of `config` header it results a broken uci config:
> uci: Parse error (invalid command) at line 3, byte 0
```
config engine 'devcrypto'
option enabled '1'
engine 'devcrypto'
option enabled '1'
option builtin '1'
```
Add `builtin` option in libopenssl-conf/install stage and remove
duplicate engine configuration in postinst/add_engine_config to
fix this issue.
Fixes: 0b70d55a64c39d ("openssl: make UCI config aware of built-in engines")
Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>
Changes between 3.0.8 and 3.0.9 [30 May 2023]
* Mitigate for the time it takes for `OBJ_obj2txt` to translate gigantic
OBJECT IDENTIFIER sub-identifiers to canonical numeric text form.
OBJ_obj2txt() would translate any size OBJECT IDENTIFIER to canonical
numeric text form. For gigantic sub-identifiers, this would take a very
long time, the time complexity being O(n^2) where n is the size of that
sub-identifier. ([CVE-2023-2650])
To mitigitate this, `OBJ_obj2txt()` will only translate an OBJECT
IDENTIFIER to canonical numeric text form if the size of that OBJECT
IDENTIFIER is 586 bytes or less, and fail otherwise.
The basis for this restriction is RFC 2578 (STD 58), section 3.5. OBJECT
IDENTIFIER values, which stipulates that OBJECT IDENTIFIERS may have at
most 128 sub-identifiers, and that the maximum value that each sub-
identifier may have is 2^32-1 (4294967295 decimal).
For each byte of every sub-identifier, only the 7 lower bits are part of
the value, so the maximum amount of bytes that an OBJECT IDENTIFIER with
these restrictions may occupy is 32 * 128 / 7, which is approximately 586
bytes.
Ref: https://datatracker.ietf.org/doc/html/rfc2578#section-3.5
*Richard Levitte*
* Fixed buffer overread in AES-XTS decryption on ARM 64 bit platforms which
happens if the buffer size is 4 mod 5 in 16 byte AES blocks. This can
trigger a crash of an application using AES-XTS decryption if the memory
just after the buffer being decrypted is not mapped.
Thanks to Anton Romanov (Amazon) for discovering the issue.
([CVE-2023-1255])
*Nevine Ebeid*
* Reworked the Fix for the Timing Oracle in RSA Decryption ([CVE-2022-4304]).
The previous fix for this timing side channel turned out to cause
a severe 2-3x performance regression in the typical use case
compared to 3.0.7. The new fix uses existing constant time
code paths, and restores the previous performance level while
fully eliminating all existing timing side channels.
The fix was developed by Bernd Edlinger with testing support
by Hubert Kario.
*Bernd Edlinger*
* Corrected documentation of X509_VERIFY_PARAM_add0_policy() to mention
that it does not enable policy checking. Thanks to David Benjamin for
discovering this issue.
([CVE-2023-0466])
*Tomáš Mráz*
* Fixed an issue where invalid certificate policies in leaf certificates are
silently ignored by OpenSSL and other certificate policy checks are skipped
for that certificate. A malicious CA could use this to deliberately assert
invalid certificate policies in order to circumvent policy checking on the
certificate altogether.
([CVE-2023-0465])
*Matt Caswell*
* Limited the number of nodes created in a policy tree to mitigate
against CVE-2023-0464. The default limit is set to 1000 nodes, which
should be sufficient for most installations. If required, the limit
can be adjusted by setting the OPENSSL_POLICY_TREE_NODES_MAX build
time define to a desired maximum number of nodes or zero to allow
unlimited growth.
([CVE-2023-0464])
*Paul Dale*
Removed upstreamed patches.
Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>
Built-in engine configs are added in libopenssl-conf/install stage
already, postinst/add_engine_config is just duplicating them, and
due to the lack of `config` header it results a broken uci config:
> uci: Parse error (invalid command) at line 3, byte 0
```
config engine 'devcrypto'
option enabled '1'
engine 'devcrypto'
option enabled '1'
option builtin '1'
```
Add `builtin` option in libopenssl-conf/install stage and remove
duplicate engine configuration in postinst/add_engine_config to
fix this issue.
Also add `exit 0` to postinst to silent (potential) pointless error.
Fixes: 0b70d55a64c39d ("openssl: make UCI config aware of built-in engines")
Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>
This applies commit 02ac9c94 to fix this OpenSSL Security Advisory
issued on 20th April 2023[1]:
Input buffer over-read in AES-XTS implementation on 64 bit ARM
(CVE-2023-1255)
==============================================================
Severity: Low
Issue summary: The AES-XTS cipher decryption implementation for 64 bit
ARM platform contains a bug that could cause it to read past the input
buffer, leading to a crash.
Impact summary: Applications that use the AES-XTS algorithm on the 64
bit ARM platform can crash in rare circumstances. The AES-XTS algorithm
is usually used for disk encryption.
The AES-XTS cipher decryption implementation for 64 bit ARM platform
will read past the end of the ciphertext buffer if the ciphertext size
is 4 mod 5 in 16 byte blocks, e.g. 144 bytes or 1024 bytes. If the
memory after the ciphertext buffer is unmapped, this will trigger a
crash which results in a denial of service.
If an attacker can control the size and location of the ciphertext
buffer being decrypted by an application using AES-XTS on 64 bit ARM,
the application is affected. This is fairly unlikely making this issue a
Low severity one.
1. https://www.openssl.org/news/secadv/20230420.txt
Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
Apply two patches fixing low-severity vulnerabilities related to
certificate policies validation:
- Excessive Resource Usage Verifying X.509 Policy Constraints
(CVE-2023-0464)
Severity: Low
A security vulnerability has been identified in all supported versions
of OpenSSL related to the verification of X.509 certificate chains
that include policy constraints. Attackers may be able to exploit
this vulnerability by creating a malicious certificate chain that
triggers exponential use of computational resources, leading to a
denial-of-service (DoS) attack on affected systems.
Policy processing is disabled by default but can be enabled by passing
the `-policy' argument to the command line utilities or by calling the
`X509_VERIFY_PARAM_set1_policies()' function.
- Invalid certificate policies in leaf certificates are silently ignored
(CVE-2023-0465)
Severity: Low
Applications that use a non-default option when verifying certificates
may be vulnerable to an attack from a malicious CA to circumvent
certain checks.
Invalid certificate policies in leaf certificates are silently ignored
by OpenSSL and other certificate policy checks are skipped for that
certificate. A malicious CA could use this to deliberately assert
invalid certificate policies in order to circumvent policy checking on
the certificate altogether.
Policy processing is disabled by default but can be enabled by passing
the `-policy' argument to the command line utilities or by calling the
`X509_VERIFY_PARAM_set1_policies()' function.
Note: OpenSSL also released a fix for low-severity security advisory
CVE-2023-466. It is not included here because the fix only changes the
documentation, which is not built nor included in any OpenWrt package.
Due to the low-severity of these issues, there will be not be an
immediate new release of OpenSSL.
Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
This adapts the engine build infrastructure to allow building providers,
and packages the legacy provider. Providers are the successors of
engines, which have been deprecated.
The legacy provider supplies OpenSSL implementations of algorithms that
have been deemed legacy, including DES, IDEA, MDC2, SEED, and Whirlpool.
Even though these algorithms are implemented in a separate package,
their removal makes the regular library smaller by 3%, so the build
options will remain to allow lean custom builds. Their defaults will
change to 'y' if not bulding for a small flash, so that the regular
legacy package will contain a complete set of algorithms.
The engine build and configuration structure was changed to accomodate
providers, and adapt to the new style of openssl.cnf in version 3.0.
There is not a clean upgrade path for the /etc/ssl/openssl.cnf file,
installed by the openssl-conf package. It is recommended to rename or
remove the old config file when flashing an image with the updated
openssl-conf package, then apply the changes manually.
An old openssl.cnf file will silently work, but new engine or provider
packages will not be enabled. Any remaining engine config files under
/etc/ssl/engines.cnf.d can be removed.
On the build side, the include file used by engine packages was renamed
to openssl-module.mk, so the engine packages in other feeds need to
adapt.
Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
Engines that are built into the main libcrypto OpenSSL library can't be
disabled through UCI. Add a 'builtin' setting to signal that the engine
can't be disabled through UCI, and show a message explaining this in
case buitin=1 and enabled=0.
Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
Building openssl with OPENSSL_SMALL_FOOTPRINT yelds only from 1% to 3%
decrease in size, dropping performance from 2% to 91%, depending on the
target and algorithm.
For example, using AES256-GCM with 1456-bytes operations, X86_64 appears
to be the least affected with 2% performance penalty and 1% reduction in
size; mips drops performance by 13%, size by 3%; Arm drops 29% in
performance, 2% in size.
On aarch64, it slows down ghash so much that I consider it broken
(-91%). SMALL_FOOTPRINT will reduce AES256-GCM performance by 88%, and
size by only 1%. It makes an AES-capable CPU run AES128-GCM at 35% of
the speed of Chacha20-Poly1305:
Block-size=1456 bytes AES256-GCM AES128-GCM ChaCha20-Poly1305
SMALL_FOOTPRINT 62014.44 65063.23 177090.50
regular 504220.08 565630.28 182706.16
OpenSSL 1.1.1 numbers are about the same, so this should have been
noticed a long time ago.
This creates an option to use OPENSSL_SMALL_FOOTPRINT, but it is turned
off by default unless SMALL_FLASH or LOW_MEMORY_FOOTPRINT is used.
Compiling with -O3 instead of -Os, for comparison, will increase size by
about 14-15%, with no measureable effect on AES256-GCM performance, and
about 2% increase in Chacha20-Poly1305 performance on Aarch64.
There are no Arm devices with the small flash feature, so drop the
conditional default. The package is built on phase2, so even if we
include an Arm device with small flash later, a no-asm library would
have to be built from source anyway.
Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
This reduces open coding and allows to easily add a knob to
enable it treewide, where chosen packages can still opt-out via
"no-gc-sections".
Note: libnl, mbedtls and opkg only used the CFLAGS part without the
LDFLAGS counterpart. That doesn't help at all if the goal is to produce
smaller binaries. I consider that an accident, and this fixes it.
Note: there are also packages using only the LDFLAGS part. I didn't
touch those, as gc might have been disabled via CFLAGS intentionally.
Signed-off-by: Andre Heider <a.heider@gmail.com>
Fix the trivial abscence of $() when assigning engine config files to
the main libopenssl-config package even if the corresponding engines
were not built into the main library.
This is mostly cosmetic, since scripts/ipkg-build tests the file's
presence before it is actually included in the package's conffiles.
Fixes: 30b0351039 "openssl: configure engine packages during install"
Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
The bump to 3.0.8 inadvertently removed patches that are needed here,
but were not adopted upstream. The most important one changes the
default value of the DIGESTS setting from ALL to NONE. The absence of
this patch causes a sysupgrade failure while the engine is in use with
digests enabled. When this happens, the system fails to boot with a
kernel panic.
Also, explicitly set DIGESTS to NONE in the provided config file, and
change the default ciphers setting to disable ECB, which has been
recommended for a long time and may cause trouble with some apps.
The config file change by itself is not enough because the config file
may be preserved during sysupgrade.
For people affected by this bug:
You can either:
1. remove, the libopenssl-devcrypto package
2. disable the engine in /etc/config/openssl;
3. change /etc/ssl/engines.cnf.d/devcrypto.cnf to set DIGESTS=NONE;
4. update libopenssl-devcrypto to >=3.0.8-3
However, after doing any of the above, **you must reboot the device
before running sysupgrade** to ensure no running application is using
the engine. Running `/etc/init.d/openssl restart` is not enough.
Fixes: 7e7e76afca "openssl: bump to 3.0.8"
Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
PowerPC CONFIG_ARCH is defined as powerpc, not ppc. Fix that in the
DEPENDS condition.
Arc needs to be built with libatomic. Change the OpenSSL configuration
file, and add it to the libatomic DEPENDS condition.
Fixes: 7e7e76afca "openssl: bump to 3.0.8"
Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
