SSL/TLS: Server Certificate / Certificate in Chain with RSA keys less than 2048 bits

The remote SSL/TLS server certificate and/or any of the certificates in the certificate chain is using a RSA key with less than 2048 bits. Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right...

USN-5051-1: OpenSSL vulnerabilities | Cloud Foundry

Severity High Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 18.04 Description John Ouyang discovered that OpenSSL incorrectly handled decrypting SM2 data. A remote attacker could use this issue to cause applications using OpenSSL to crash, resulting in a denial of service, or possibl...

Analyzing SSL/TLS Certificates Used by Malware

We take a closer look at the SSL/TLS certificates used by malware...

A deep-dive into the SolarWinds Serv-U SSH vulnerability

Several weeks ago, Microsoft detected a 0-day remote code execution exploit being used to attack the SolarWinds Serv-U FTP software in limited and targeted attacks. The Microsoft Threat Intelligence Center MSTIC attributed the attack with high confidence to DEV-0322, a group operating out of Chin...

Weak Password Vulnerability in Neusoft NetEye VPN Gateway System

Neusoft NetEye VPN gateway system is a professional VPN device, which adopts standard SSL and TLS protocols, and supports IPSec VPN and SSLVPN at the same time, and is not a plug-in card or firewall with VPN module device. Neusoft NetEye VPN gateway system has a weak password vulnerability, which...

SUSE: Security Advisory (SUSE-SU-2021:2891-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 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...

openssl buffer overflow vulnerability (CNVD-2021-71263)

OpenSSL is an open source general-purpose cryptographic library from the Openssl team capable of implementing the Secure Sockets Layer SSLv2/v3 and Secure Transport Layer TLSv1 protocols. The product supports a variety of encryption algorithms, including symmetric ciphers, hashing algorithms,...

Fix of CVE: CVE-2020-14058, CVE-2020-15049

CVE-2020-14058: fix handling of unknown SSL errors which resulted in denial of service - CVE-2020-15049: fix incorrect validation of Content-Length field leading to Http smuggling and Poisoning attack...

Cisco Web Security Appliance (WSA) Server Name Identification Data Exfiltration (cisco-sa-sni-data-exfil-mFgzXqLN)

According to its self-reported version, Cisco Web Security Appliance WSA is affected by a vulnerability in Server Name Identification SNI request filtering that allows an unauthenticated, remote attacker to bypass filtering technology on an affected device and exfiltrate data from a compromised...

ALPINE-CVE-2021-3711

In order to decrypt SM2 encrypted data an application is expected to call the API function EVPPKEYdecrypt. Typically an application will call this function twice. The first time, on entry, the "out" parameter can be NULL and, on exit, the "outlen" parameter is populated with the buffer size...

CVE-2021-3712 Read buffer overruns processing ASN.1 strings

ASN.1 strings are represented internally within OpenSSL as an ASN1STRING structure which contains a buffer holding the string data and a field holding the buffer length. This contrasts with normal C strings which are repesented as a buffer for the string data which is terminated with a NUL 0 byte...

Insecure Certificate Validation

Nextcloud Desktop Client is using an insecure certificate validation. It is possible due to lack of SSL certificate verification when using the "Register with a Provider" flow...

DEBIAN-CVE-2020-36476

An issue was discovered in Mbed TLS before 2.24.0 and before 2.16.8 LTS and before 2.7.17 LTS. There is missing zeroization of plaintext buffers in mbedtlssslread to erase unused application data from memory...

UBUNTU-CVE-2020-36476

An issue was discovered in Mbed TLS before 2.24.0 and before 2.16.8 LTS and before 2.7.17 LTS. There is missing zeroization of plaintext buffers in mbedtlssslread to erase unused application data from memory...

5 WordPress Security Solutions with Free SSL Certificates

By Waqas In this article, we are listing 5 popular WordPress security solution providers who also offer free SSL certificates. This is a post from HackRead.com Read the original post: 5 WordPress Security Solutions with Free SSL Certificates...

The vulnerability of the Server Name Identification (SNI) component of the Cisco Web Security Appliance internet server, the micro-programming software for Cisco Firepower Threat Defense network firewalls, and the intrusion detection systems allows a malicious actor to gain full control over the compromised host and unauthorized access to protected information.

The vulnerability of the Server Name Identification SNI component of the Cisco Web Security Appliance internet server, as well as the micro-programming software for Cisco Firepower Threat Defense and the intrusion detection system Snort, is related to SSL handshake filtering errors. Exploiting th...

CVE-2021-34749

A vulnerability in Server Name Identification SNI request filtering of Cisco Web Security Appliance WSA, Cisco Firepower Threat Defense FTD, and the Snort detection engine could allow an unauthenticated, remote attacker to bypass filtering technology on an affected device and exfiltrate data from...

CVE-2021-34749

A vulnerability in Server Name Identification SNI request filtering of Cisco Web Security Appliance WSA, Cisco Firepower Threat Defense FTD, and the Snort detection engine could allow an unauthenticated, remote attacker to bypass filtering technology on an affected device and exfiltrate data from...

Command injection

A vulnerability in Server Name Identification SNI request filtering of Cisco Web Security Appliance WSA, Cisco Firepower Threat Defense FTD, and the Snort detection engine could allow an unauthenticated, remote attacker to bypass filtering technology on an affected device and exfiltrate data from...

CVE-2021-34749

CVE-2021-34749 affects Cisco WSA/FTD and the Snort detection engine. The issue stems from inadequate filtering of the SSL handshake in the SNI data path, allowing an unauthenticated remote attacker to bypass filters and exfiltrate data from a compromised host, potentially enabling command-and-con...