DEBIAN-CVE-2016-20011

libgrss through 0.7.0 fails to perform TLS certificate verification when downloading feeds, allowing remote attackers to manipulate the contents of feeds without detection. This occurs because of the default behavior of SoupSessionSync...

OpenSSL 安全特征问题漏洞

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

istio/istio: authorization bypass when using AUTO_PASSTHROUGH

An authorization bypass vulnerability was found in istio. When the istio gateway is configured with TLS mode AUTOPASSTHROUGH, it is possible for a malicious user to bypass the authorization checks and gain access to protected services. The highest threat from this vulnerability is to data...

CVE-2021-28683

An issue was discovered in Envoy through 1.71.1. There is a remotely exploitable NULL pointer dereference and crash in TLS when an unknown TLS alert code is received...

PT-2021-17903 · Envoy · Envoy

Name of the Vulnerable Software and Affected Versions: Envoy versions prior to 1.71.1 Description: A remotely exploitable issue exists where a NULL pointer dereference and crash can occur in TLS when an unknown TLS alert code is received. Recommendations: For versions prior to 1.71.1, update to a...

jetty: Resource exhaustion when receiving an invalid large TLS frame

When using SSL/TLS with Jetty, either with HTTP/1.1, HTTP/2, or WebSocket, the server may receive an invalid large greater than 17408 TLS frame that is incorrectly handled, causing high CPU resources utilization. The highest threat from this vulnerability is to service availability...

Elasticsearch Logstash 信任管理问题漏洞

Elasticsearch Logstash is a suite of log analysis and monitoring tools from the Dutch company Elasticsearch. A security vulnerability exists in Logstash. The vulnerability stems from a TLS certificate validation vulnerability in the program's monitoring feature, which could allow a...

Istio 授权问题漏洞

Istio is a set of open platforms for connecting, managing, and securing microservices. Istio is vulnerable to an authorization issue. The vulnerability stems from the fact that when the istio gateway is configured in TLS mode "AUTOPASSTHROUGH", it is possible for an attacker to bypass authorizati...

UBUNTU-CVE-2021-29495

Nim is a statically typed compiled systems programming language. In Nim standard library before 1.4.2, httpClient SSL/TLS certificate verification was disabled by default. Users can upgrade to version 1.4.2 to receive a patch or, as a workaround, set "verifyMode = CVerifyPeer" as documented...

jetty: Resource exhaustion when receiving an invalid large TLS frame

When using SSL/TLS with Jetty, either with HTTP/1.1, HTTP/2, or WebSocket, the server may receive an invalid large greater than 17408 TLS frame that is incorrectly handled, causing high CPU resources utilization. The highest threat from this vulnerability is to service availability...

OESA-2021-1170 curl security update

cURL is a computer software project providing a library libcurl and command-line tool curl for transferring data using various protocols. Security Fixes: curl 7.63.0 to and including 7.75.0 includes vulnerability that allows a malicious HTTPS proxy to MITM a connection due to bad handling of TLS...

The vulnerability of the implementation of TLS and SSL protocols in Cisco Firepower Threat Defense’s microprogrammable network interfaces allows attackers to trigger a device reboot or cause a service failure.

The vulnerability of the TLS and SSL protocols implemented by Cisco Firepower Threat Defense’s microprogramming-based network interface controllers is related to the execution of operations beyond the buffer boundaries in memory. Exploiting this vulnerability could allow a malicious actor to...

May 4, 2021, update for Outlook 2016 (KB5001921)

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Exim 资源管理错误漏洞

Exim was developed at Cambridge University as a Message Transfer Agent MTA for Unix systems connected to the Internet. A post-release reuse vulnerability in smtpreset in Exim when providing TLS encryption over OpenSSL can be exploited by an attacker to achieve remote code execution...

Cisco Firepower Threat Defense 输入验证错误漏洞

Cisco Firepower Threat Defense FTD is unified software that provides next-generation firewall services. A denial-of-service vulnerability exists in the software-based SSL/TLS message handler of Cisco Firepower Threat Defense, which can be exploited by an attacker to cause a process crash by sendi...

nss: TLS 1.3 CCS flood remote DoS Attack

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...

Datagram Transport Layer Security (DTLS) Protocol Detection

Detection of services supporting the Datagram Transport Layer Security DTLS protocol. 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...

CVE-2021-27400

HashiCorp Vault and Vault Enterprise Cassandra integrations storage backend and database secrets engine plugin did not validate TLS certificates when connecting to Cassandra clusters. Fixed in 1.6.4 and 1.7.1...

envoyproxy/envoy: NULL pointer dereference in TLS alert code handling

A NULL pointer dereference vulnerability was found envoyproxy/envoy. This flaw allows an attacker to establish a TLS session that sends an invalid TLS alert code, causing a NULL pointer exception to occur that crashes the application, resulting in a denial of service. The highest threat from this...

envoyproxy/envoy: NULL pointer dereference in TLS alert code handling

A NULL pointer dereference vulnerability was found envoyproxy/envoy. This flaw allows an attacker to establish a TLS session that sends an invalid TLS alert code, causing a NULL pointer exception to occur that crashes the application, resulting in a denial of service. The highest threat from this...