The vulnerability of the SSL/TLS module of Cisco Adaptive Security Appliance’s network firewall allows a attacker to cause a service failure.

The vulnerability of the SSL/TLS module of the Cisco Adaptive Security Appliance software lies in errors during initialization of pointers. Exploiting this vulnerability could allow a malicious actor to cause service interruptions...

UBUNTU-CVE-2020-28896

Mutt before 2.0.2 and NeoMutt before 2020-11-20 did not ensure that $sslforcetls was processed if an IMAP server's initial server response was invalid. The connection was not properly closed, and the code could continue attempting to authenticate. This could result in authentication credentials...

What is the TLS padlock saying?

Security What is the TLS padlock saying? Share November 20th, 2020 Alice and Bob use TLS to keep their long distance relationship hot and private. TL;DR: skip to the conclusions to see what Alice learned. The Privacy Problem Alice and Bob had to turn their relationship into a long distance one...

The vulnerability of the TLS session handler in Cisco Firepower Threat Defense (FTD) and Cisco Adaptive Security Appliance (ASA) allows attackers to gain unauthorized access to protected information.

The vulnerability of TLS session handler microprogramming software for Cisco Firepower Threat Defense and Cisco Adaptive Security Appliance is related to information disclosure due to incompatibility issues. Exploiting this vulnerability can allow a malicious actor to gain unauthorized access to...

Security Bulletin: TLS Protocol DHE_EXPORT Ciphers Downgrade MitM (Logjam) vulnerability in IBM Cloud Pak for Data Streams

Summary The Transport Layer Security TLS protocol contains a flaw that is triggered when handling DiffieHellman key exchanges defined with the DHEEXPORT cipher. A man-in-the middle attacker may be able to downgrade the session to use EXPORTDHE cipher suites. Thus, it is recommended to remove...

The vulnerability of Cisco Adaptive Security Appliance and Cisco Firepower Threat Defense, a microprogramming-based network device for SSL/TLS session processors, allows attackers to induce service failures.

The vulnerability of Cisco Adaptive Security Appliance and Cisco Firepower Threat Defense’s SSL/TLS session processors involves uncontrolled resource consumption. Exploiting this vulnerability can allow a malicious actor to cause service interruptions by initiating multiple SSL/TLS sessions and...

UBUNTU-CVE-2020-28327

A respjsipsession crash was discovered in Asterisk Open Source 13.x before 13.37.1, 16.x before 16.14.1, 17.x before 17.8.1, and 18.x before 18.0.1. and Certified Asterisk before 16.8-cert5. Upon receiving a new SIP Invite, Asterisk did not return the created dialog locked or referenced. This...

UBUNTU-CVE-2020-17490

The TLS module within SaltStack Salt through 3002 creates certificates with weak file permissions...

squid: DoS in TLS handshake

A flaw was found in squid. A denial-of-service attack while processing TLS certificates is possible due to use of a potentially dangerous function in Squid and the default certificate validation helper. The highest threat from this vulnerability is to system availability...

CVE-2020-3585

A vulnerability in the TLS handler of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software for Cisco Firepower 1000 Series firewalls could allow an unauthenticated, remote attacker to gain access to sensitive information. The vulnerability is due to...

PT-2020-4458 · Cisco · Cisco Ftd +1

Name of the Vulnerable Software and Affected Versions: Cisco Adaptive Security Appliance ASA Software affected versions not specified Cisco Firepower Threat Defense FTD Software affected versions not specified Description: A vulnerability in the SSL/TLS session handler could allow an...

ALPINE-CVE-2020-25648

A flaw was found in the way NSS handled CCS ChangeCipherSpec messages in TLS 1.3. This flaw allows a remote attacker to send multiple CCS messages, causing a denial of service for servers compiled with the NSS library. The highest threat from this vulnerability is to system availability. This fla...

DEBIAN-CVE-2020-25648

A flaw was found in the way NSS handled CCS ChangeCipherSpec messages in TLS 1.3. This flaw allows a remote attacker to send multiple CCS messages, causing a denial of service for servers compiled with the NSS library. The highest threat from this vulnerability is to system availability. This fla...

UBUNTU-CVE-2020-25648

A flaw was found in the way NSS handled CCS ChangeCipherSpec messages in TLS 1.3. This flaw allows a remote attacker to send multiple CCS messages, causing a denial of service for servers compiled with the NSS library. The highest threat from this vulnerability is to system availability. This fla...

UBUNTU-CVE-2020-9746

Adobe Flash Player version 32.0.0.433 and earlier are affected by an exploitable NULL pointer dereference vulnerability that could result in a crash and arbitrary code execution. Exploitation of this issue requires an attacker to insert malicious strings in an HTTP response that is by default...

PT-2020-20735 · Adobe +1 · Flash Player +1

Name of the Vulnerable Software and Affected Versions: Adobe Flash Player versions 32.0.0.433 and earlier Description: The issue is a NULL pointer dereference vulnerability that could result in a crash and arbitrary code execution. Exploitation of this issue requires an attacker to insert malicio...

The vulnerability in the implementation of the TLS (Transport Layer Security) protocol for Windows operating systems allows a perpetrator to gain unauthorized access to protected information.

The vulnerability of the TLS Transport Layer Security protocol implementation in Windows operating systems is related to the use of weak hashing algorithms. Exploiting this vulnerability can allow a malicious actor, operating remotely, to gain unauthorized access to protected information...

nss: TLS 1.3 HelloRetryRequest downgrade request sets client into invalid state

A protocol downgrade flaw was found in Network Security Services NSS. After a HelloRetryRequest has been sent, the client may negotiate a lower protocol than TLS 1.3, resulting in an invalid state transition in the TLS State Machine. If the client gets into this state, incoming Application Data...

nss: PKCS#1 v1.5 signatures can be used for TLS 1.3

A vulnerability exists where it possible to force Network Security Services NSS to sign CertificateVerify with PKCS1 v1.5 signatures when those are the only ones advertised by server in CertificateRequest in TLS 1.3. PKCS1 v1.5 signatures should not be used for TLS 1.3 messages. This vulnerabilit...

CVE-2020-5929

In versions 13.0.0-13.0.0 HF2, 12.1.0-12.1.2 HF1, and 11.6.1-11.6.2, BIG-IP platforms with Cavium Nitrox SSL hardware acceleration cards, a Virtual Server configured with a Client SSL profile, and using Anonymous ADH or Ephemeral DHE Diffie-Hellman key exchange and Single DH use option not enable...