CVE-2023-50782 Python-cryptography: bleichenbacher timing oracle attack against rsa decryption - incomplete fix for cve-2020-25659

A flaw was found in the python-cryptography package. This issue may allow a remote attacker to decrypt captured messages in TLS servers that use RSA key exchanges, which may lead to exposure of confidential or sensitive data...

CVE-2023-50782

A flaw was found in the python-cryptography package. This issue may allow a remote attacker to decrypt captured messages in TLS servers that use RSA key exchanges, which may lead to exposure of confidential or sensitive data...

CVE-2023-50782

A flaw was found in the python-cryptography package. This issue may allow a remote attacker to decrypt captured messages in TLS servers that use RSA key exchanges, which may lead to exposure of confidential or sensitive data. Mitigation Mitigation for this issue is either not available or the...

webpki: CPU denial of service in certificate path building

When this crate is given a pathological certificate chain to validate, it will spend CPU time exponential with the number of candidate certificates at each step of path building. Both TLS clients and TLS servers that accept client certificate are affected. This was previously reported in...

GHSA-8QV2-5VQ6-G2G7 webpki: CPU denial of service in certificate path building

When this crate is given a pathological certificate chain to validate, it will spend CPU time exponential with the number of candidate certificates at each step of path building. Both TLS clients and TLS servers that accept client certificate are affected. This was previously reported in...

rustls-webpki: CPU denial of service in certificate path building

When this crate is given a pathological certificate chain to validate, it will spend CPU time exponential with the number of candidate certificates at each step of path building. Both TLS clients and TLS servers that accept client certificate are affected. We now give each path building operation...

RUSTSEC-2023-0053 rustls-webpki: CPU denial of service in certificate path building

When this crate is given a pathological certificate chain to validate, it will spend CPU time exponential with the number of candidate certificates at each step of path building. Both TLS clients and TLS servers that accept client certificate are affected. We now give each path building operation...

RUSTSEC-2023-0052 webpki: CPU denial of service in certificate path building

When this crate is given a pathological certificate chain to validate, it will spend CPU time exponential with the number of candidate certificates at each step of path building. Both TLS clients and TLS servers that accept client certificate are affected. This was previously reported in and...

Security Bulletin: The IBM® Engineering Lifecycle Engineering products using IBM Java versions 8.0.7.0 - 8.0.7.11 are vulnerable to crypto attacks. (CVE-2023-30441)

Summary IBM Java versions 8.0.7.0 - 8.0.7.1 has a combination of two flaws in the JSSE component and IBMJCEPlus security provider expose some IBM Java releases to various cryptographic attacks when acting as a TLS server. Following IBM® Engineering Lifecycle Engineering products are vulnerable to...

Security Bulletin: IBM Robotic Process Automation for Cloud Pak is vulnerable to cross-protocol attacks due to sendmail (CVE-2021-3618)

Summary sendmail is used by IBM Robotic Process Automation for Cloud Pak as part of the antivirus container. CVE-2021-3618 Vulnerability Details CVEID:CVE-2021-3618 DESCRIPTION: Sendmail, vsftpd and NGINX could provide weaker than expected security, caused by an ALPACA application layer protocol...

K79401162: Samba vulnerabilities CVE-2016-2111, CVE-2016-2113, and CVE-2016-2114

Security Advisory Description CVE-2016-2111 The NETLOGON service in Samba 3.x and 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2, when a domain controller is configured, allows remote attackers to spoof the computer name of a secure channel's endpoint, and obtain sensitive session...

K000132639: ALPACA: TLS vulnerability CVE-2021-3618

Security Advisory Description ALPACA is an application layer protocol content confusion attack, exploiting TLS servers implementing different protocols but using compatible certificates, such as multi-domain or wildcard certificates. A MiTM attacker having access to victim's traffic at the TCP/IP...

SUSE CVE-2018-16875

The crypto/x509 package of Go before 1.10.6 and 1.11.x before 1.11.3 does not limit the amount of work performed for each chain verification, which might allow attackers to craft pathological inputs leading to a CPU denial of service. Go TLS servers accepting client certificates and TLS clients a...

SUSE SLES15 Security Update : nginx (SUSE-SU-2022:4266-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2022:4266-1 advisory. - CVE-2021-3618: Fixed the ALPACA attack limiting the number of errors after which the connection is closed bsc1187685. Tenable has extracte...

Debian: Security Advisory (DLA-3203-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

NewStart CGSL CORE 5.04 / MAIN 5.04 : openssl Multiple Vulnerabilities (NS-SA-2022-0076)

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has openssl packages installed that are affected by multiple vulnerabilities: - ASN.1 strings are represented internally within OpenSSL as an ASN1STRING structure which contains a buffer holding the string data and a field...

SUSE SLES12 Security Update : vsftpd (SUSE-SU-2022:3888-1)

The remote SUSE Linux SLES12 / SLESSAP12 host has a package installed that is affected by a vulnerability as referenced in the SUSE-SU-2022:3888-1 advisory. - CVE-2021-3618: Enforced security checks against ALPACA attack PM-3322, bsc1187686, bsc1187678. Bugfixes: - Fixed a seccomp failure in FIPS...

Amazon Linux 2022 : sendmail, sendmail-cf, sendmail-milter (ALAS2022-2022-171)

It is, therefore, affected by a vulnerability as referenced in the ALAS2022-2022-171 advisory. ALPACA is an application layer protocol content confusion attack, exploiting TLS servers implementing different protocols but using compatible certificates, such as multi-domain or wildcard certificates...

Why Did the OpenSSL Punycode Vulnerability Happen

Some room-temperature takes on yesterdays not-quite-RCE vulnerabilities in OpenSSL 3.0, and on what there is to learn about safe cryptography engineering. A recap Yesterday OpenSSL published version 3.0.7, which was pre-announced to contain a fix for a CRITICAL vulnerability, the first one since...

UBUNTU-CVE-2022-3602

A buffer overrun can be triggered in X.509 certificate verification, specifically in name constraint checking. Note that this occurs after certificate chain signature verification and requires either a CA to have signed the malicious certificate or for the application to continue certificate...