UBUNTU-CVE-2021-38165

Lynx through 2.8.9 mishandles the userinfo subcomponent of a URI, which allows remote attackers to discover cleartext credentials because they may appear in SNI data...

CVE-2021-38165

Lynx through 2.8.9 mishandles the userinfo subcomponent of a URI, which allows remote attackers to discover cleartext credentials because they may appear in SNI data...

Lynx 安全漏洞

Lynx is a text-only web browser that is used on terminals with text highlighting capabilities. A security vulnerability exists in Lynx that allows remote attackers to exploit the vulnerability to discover plaintext credentials as they may appear in SNI data...

systemd 239 through 245 accepts any certificate signed by a trusted certificate authority for DNS Over TLS. Server Name Indication (SNI) is not sent and there is no hostname validation with the GnuTLS backend. NOTE: This has been disputed by the developer as not a vulnerability since hostname validation does not have anything to do with this issue (i.e. there is no hostname to be sent)

...

Design/Logic Flaw

When SSL/TLS Forward Proxy Decryption mode has been configured to decrypt the web transactions, the PAN-OS URL filtering feature inspects the HTTP Host and URL path headers for policy enforcement on the decrypted HTTPS web transactions but does not consider Server Name Indication SNI field within...

PT-2020-12825 · Envoy +1 · Envoy +1

Name of the Vulnerable Software and Affected Versions: Istio versions 1.5.1 and earlier Envoy versions 1.14.1 and earlier Description: The issue concerns a data-leak problem where a TCP connection negotiated with SNI over HTTPS to .example.com can lead to a request for a domain configured...

DEBIAN-CVE-2018-21029

systemd 239 through 245 accepts any certificate signed by a trusted certificate authority for DNS Over TLS. Server Name Indication SNI is not sent, and there is no hostname validation with the GnuTLS backend. NOTE: This has been disputed by the developer as not a vulnerability since hostname...

PT-2019-10455 · Systemd +1 · Systemd +1

Name of the Vulnerable Software and Affected Versions: systemd versions 239 through 245 Description: The issue concerns the acceptance of any certificate signed by a trusted certificate authority for DNS Over TLS, without sending Server Name Indication SNI and without hostname validation when usi...

Exim TLS Flaw Opens Email Servers to Remote 'Root' Code Execution Attacks

A critical remote code execution vulnerability has been discovered in the popular open-source Exim email server software, leaving at least over half a million email servers vulnerable to remote hackers. Exim maintainers today released Exim version 4.92.2 after publishing an early warning two days...

PT-2019-3248 · Exim +2 · Exim +2

Name of the Vulnerable Software and Affected Versions: Exim versions prior to 4.92.2 Description: The issue is related to errors in object handling in memory, allowing a remote attacker to gain access to confidential data, disrupt its integrity, and cause a denial of service. It also allows remot...

lighttpd < 1.4.34 Multiple Vulnerabilities

According to its banner, the version of lighttpd running on the remote host is prior to 1.4.34. It is, therefore, affected by the following vulnerabilities : - When Server Name Indication SNI is enabled, a flaw exists that could cause the application to use all available SSL ciphers, including we...

USN-3587-1 dovecot vulnerabilities

It was discovered that Dovecot incorrectly handled parsing certain email addresses. A remote attacker could use this issue to cause Dovecot to crash, resulting in a denial of service, or possibly obtain sensitive information. CVE-2017-14461 It was discovered that Dovecot incorrectly handled TLS S...

dovecot denial of service vulnerability (CNVD-2018-05070)

Dovecot is an open source based on Linux/UNIX-like systems IMAP and POP3 mail server . A denial of service vulnerability exists in Dovecot versions prior to 2.2.34. An attacker can exploit this vulnerability to cause a denial of service large memory footprint and process restarts by creating...

ALPINE-CVE-2017-15130

A denial of service flaw was found in dovecot before 2.2.34. An attacker able to generate random SNI server names could exploit TLS SNI configuration lookups, leading to excessive memory usage and the process to restart...

PT-2018-3408 · Dovecot +3 · Dovecot +3

Name of the Vulnerable Software and Affected Versions: dovecot versions prior to 2.2.34 Description: A denial of service flaw was found in the TLS SNI configuration lookups of the Dovecot mail server. An attacker able to generate random SNI server names could exploit this issue, leading to...

UBUNTU-CVE-2017-15130

A denial of service flaw was found in dovecot before 2.2.34. An attacker able to generate random SNI server names could exploit TLS SNI configuration lookups, leading to excessive memory usage and the process to restart...

SSL Handshake Fails When Server Name Indication (SNI) is Enabled on ADC

SSL handshake fails when Server Name Indication feature is enabled on NetScaler Server Name Indication aka SNI is an extension of the TLS protocol. For SNI to work, the server name in the client hello must match the host name configured on the back-end service that is bound to an SSL virtual...

Reaching toward universal TLS SNI

The past few years have seen a dramatic increase in client support for TLS SNI a technology standard that makes HTTPS much more scaleable. While early 2014 saw fewer than 85% of HTTPS requests being sent by clients supporting TLS SNI, many Akamai customers today now see client TLS SNI usage...

How to connect to ADFS 3.0 from NetScaler ADC load balancer?

Use Case Use case 1 : Microsoft Active Directory Federation Services ADFS 3.0 which provides single sign-onaccess to enterprise applications, requires server name in client hello extension to identify theapplication to connect to. Use case 2 : Connect to a server with multiple applications runnin...

SUSE-SU-2016:2396-1 Security update for apache2-mod_nss

This update provides apache2-modnss 1.0.14, which brings several fixes and enhancements: - Fix OpenSSL ciphers stopped parsing at +. CVE-2016-3099 - Created valgrind suppression files to ease debugging. - Implement SSLPPTYPEFILTER to call executables to get the key password pins. - Improvements t...