This version fixes two vulnerabilities:
- SM2 Decryption Buffer Overflow (CVE-2021-3711)
Severity: High
- Read buffer overruns processing ASN.1 strings (CVE-2021-3712)
Severity: Medium
Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
Co-authored-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
This version fixes 2 security vulnerabilities, among other changes:
- CVE-2021-3450: problem with verifying a certificate chain when using
the X509_V_FLAG_X509_STRICT flag.
- CVE-2021-3449: OpenSSL TLS server may crash if sent a maliciously
crafted renegotiation ClientHello message from a client.
Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
Co-authored-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
This fixes 4 security vulnerabilities/bugs:
- CVE-2021-2839 - SSLv2 vulnerability. Openssl 1.1.1 does not support
SSLv2, but the affected functions still exist. Considered just a bug.
- CVE-2021-2840 - calls EVP_CipherUpdate, EVP_EncryptUpdate and
EVP_DecryptUpdate may overflow the output length argument in some
cases where the input length is close to the maximum permissable
length for an integer on the platform. In such cases the return value
from the function call will be 1 (indicating success), but the output
length value will be negative.
- CVE-2021-2841 - The X509_issuer_and_serial_hash() function attempts to
create a unique hash value based on the issuer and serial number data
contained within an X509 certificate. However it was failing to
correctly handle any errors that may occur while parsing the issuer
field (which might occur if the issuer field is maliciously
constructed). This may subsequently result in a NULL pointer deref and
a crash leading to a potential denial of service attack.
- Fixed SRP_Calc_client_key so that it runs in constant time. This could
be exploited in a side channel attack to recover the password.
The 3 CVEs above are currently awaiting analysis.
Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
Co-authored-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
Fixes: CVE-2020-1971, defined as high severity, summarized as:
NULL pointer deref in GENERAL_NAME_cmp function can lead to a DOS
attack.
Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
Co-authored-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
This is a bug-fix release. Patches were refreshed.
Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
Co-authored-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
Fixes NULL dereference in SSL_check_chain() for TLS 1.3, marked with
high severity, assigned CVE-2020-1967.
Ref: https://www.openssl.org/news/secadv/20200421.txt
Cherry-pick from openwrt/openwrt@3773ae1.
Also add mirror for mainland China user in this commit.
Signed-off-by: Petr Štetiar <ynezz@true.cz>
Signed-off-by: CN_SZTL <cnsztl@project-openwrt.eu.org>
Co-authored-by: Petr Štetiar <ynezz@true.cz>
This adds patches to avoid possible application breakage caused by a
change in behavior introduced in 1.1.1e. It affects at least nginx,
which logs error messages such as:
nginx[16652]: [crit] 16675#0: *358 SSL_read() failed (SSL: error:
4095126:SSL routines:ssl3_read_n:unexpected eof while reading) while
keepalive, client: xxxx, server: [::]:443
Openssl commits db943f4 (Detect EOF while reading in libssl), and
22623e0 (Teach more BIOs how to handle BIO_CTRL_EOF) changed the
behavior when encountering an EOF in SSL_read(). Previous behavior was
to return SSL_ERROR_SYSCALL, but errno would still be 0. The commits
being reverted changed it to SSL_ERRO_SSL, and add an error to the
stack, which is correct. Unfortunately this affects a number of
applications that counted on the old behavior, including nginx.
The reversion was discussed in openssl/openssl#11378, and implemented as
PR openssl/openssl#11400.
Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
Co-authored-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
This version includes bug and security fixes, including medium-severity
CVE-2019-1551, affecting RSA1024, RSA1536, DSA1024 & DH512 on x86_64.
Ref: openwrt/openwrt@dcef8d6
Signed-off-by: CN_SZTL <cnsztl@project-openwrt.eu.org>
