EUVD-2020-18313

Malware in sbrugna...

CVE-2020-12457

An issue was discovered in wolfSSL before 4.5.0. It mishandles the changecipherspec CCS message processing logic for TLS 1.3. If an attacker sends ChangeCipherSpec messages in a crafted way involving more than one in a row, the server becomes stuck in the ProcessReply loop, i.e., a denial of...

OpenSSL DTLS ChangeCipherSpec Remote Denial of Service

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'OpenSSL DTLS ChangeCipherSpec Remote DoS', 'Description' = %q This module performs a Denial of Service Attack against Datagram TLS in OpenSSL...

OpenSSL Server-Side ChangeCipherSpec Injection Scanner

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule Msf::Auxiliary include Msf::Exploit::Remote::Tcp include Msf::Auxiliary::Scanner include Msf::Auxiliary::Report CIPHERSUITES = 0xc014,...

VulnCheck KEV: CVE-2014-0224

OpenSSL before 0.9.8za, 1.0.0 before 1.0.0m, and 1.0.1 before 1.0.1h does not properly restrict processing of ChangeCipherSpec messages, which allows man-in-the-middle attackers to trigger use of a zero-length master key in certain OpenSSL-to-OpenSSL communications, and consequently hijack...

K15351: OpenSSL DTLS ChangeCipherSpec vulnerability CVE-2009-1386

Security Advisory Description ssl/s3pkt.c in OpenSSL before 0.9.8i allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via a DTLS ChangeCipherSpec packet that occurs before ClientHello. CVE-2009-1386 Impact None Security Advisory Status To determine if...

EulerOS Virtualization 3.0.2.2 : nss (EulerOS-SA-2021-2150)

According to the versions of the nss packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - In Network Security Services NSS before 3.36.7 and before 3.41.1, a malformed signature can cause a crash due to a null dereference,...

Medium: nss

Issue Overview: 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...

EulerOS Virtualization 3.0.6.6 : nss (EulerOS-SA-2021-1502)

According to the versions of the nss packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - A flaw was found in the way NSS handled CCS ChangeCipherSpec messages in TLS 1.3. This flaw allows a remote attacker to send multipl...

Mozilla Network Security Service (NSS): Denial of service

Background The Mozilla Network Security Service NSS is a library implementing security features like SSL v.2/v.3, TLS, PKCS 5, PKCS 7, PKCS 11, PKCS 12, S/MIME and X.509 certificates. Description A flaw was found in the way Mozilla Network Security Service NSS handled CCS ChangeCipherSpec message...

Denial Of Service (DoS)

nss is vulnerable to denial of service DoS. The vulnerability exists through the way NSS handled CCS ChangeCipherSpec messages in TLS 1.3...

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...

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...

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...

wolfSSL Denial of Service Vulnerability (CNVD-2020-50284)

wolfSSL formerly known as CyaSSL is the United States wolfSSL company for embedded systems developers to use a small, portable embedded SSL programming library. A security vulnerability exists in wolfSSL versions prior to 4.5.0, which can be exploited by an attacker to send a constructed...

CVE-2020-12457

An issue was discovered in wolfSSL before 4.5.0. It mishandles the changecipherspec CCS message processing logic for TLS 1.3. If an attacker sends ChangeCipherSpec messages in a crafted way involving more than one in a row, the server becomes stuck in the ProcessReply loop, i.e., a denial of...

CVE-2020-12457

An issue was discovered in wolfSSL before 4.5.0. It mishandles the changecipherspec CCS message processing logic for TLS 1.3. If an attacker sends ChangeCipherSpec messages in a crafted way involving more than one in a row, the server becomes stuck in the ProcessReply loop, i.e., a denial of...

CVE-2020-12457

The vulnerability CVE-2020-12457 affects wolfSSL prior to 4.5.0. It mishandles the ChangeCipherSpec (CCS) processing for TLS 1.3, allowing an attacker to craft CCS messages (more than one in a row) that cause the server to stall in the ProcessReply() loop, resulting in a denial of service. The is...

Security Bulletin: Websphere DataPower vulnerability in SSL ChangeCipherSpec processing (CVE-2014-0224)

Summary A security vulnerability in ChangeCipherSpec processing allows intermediate nodes to intercept encrypted data and decrypt them and can force the use of weak keying material in SSL/TLS clients and servers. Vulnerability Details CVE ID: CVE-2014-0224 DESCRIPTION: An attacker using a careful...

VMware ESXi Multiple OpenSSL Vulnerabilities (VMSA-2014-0006)

The remote VMware ESXi host is affected by multiple vulnerabilities in the OpenSSL third-party library : - A use-after-free error exists in the ssl3readbytes function in file ssl/s3pkt.c that is triggered when a second read is done to the function by multiple threads when SSLMODERELEASEBUFFERS is...