CVE-2020-11767

Istio up to 1.5.1 and Envoy up to 1.14.1 are affected by a data-leak vulnerability where a TCP connection negotiated with SNI over HTTPS to *.example.com can cause a domain-specific request (e.g., abc.example.com) to be sent via a connection reused by a forward proxy to the *.example.com host. Th...

Input validation

Incorrect validation of the TLS SNI hostname in osquery versions after 2.9.0 and before 4.2.0 could allow an attacker to MITM osquery traffic in the absence of a configured root chain of trust...

Facebook osquery trust management issue vulnerability

Facebook osquery is a SQL-based, open-source operating system detection and monitoring framework from Facebook Inc. in the United States. A trust management issue vulnerability exists in Facebook osquery versions 2.9.0 through 4.2.0 excluding versions 2.9.0 and 4.2.0, which stems from the program...

CVE-2020-1887

Incorrect validation of the TLS SNI hostname in osquery versions after 2.9.0 and before 4.2.0 could allow an attacker to MITM osquery traffic in the absence of a configured root chain of trust...

CVE-2020-1887

Incorrect validation of the TLS SNI hostname in osquery versions after 2.9.0 and before 4.2.0 could allow an attacker to MITM osquery traffic in the absence of a configured root chain of trust...

CVE-2020-1887

CVE-2020-1887 affects osquery versions post-2.9.0 and before 4.2.0, where TLS SNI hostname validation is incorrect. This could allow an attacker to perform a MITM on osquery traffic if no root trust chain is configured. Remediation: upgrade to 4.2.0 or later (or apply vendor guidance). The connec...

CVE-2020-1887: Improper Validation of Certificate with Host Mismatch

Incorrect validation of the TLS SNI hostname in osquery versions after 2.9.0 and before 4.2.0 could allow an attacker to MITM osquery traffic in the absence of a configured root chain of trust...

PT-2020-15143

Name of the Vulnerable Software and Affected Versions osquery versions 2.9.0 through 4.2.0 Description The issue is related to incorrect validation of the TLS SNI hostname, which could allow an attacker to perform a man-in-the-middle MITM attack on osquery traffic when a root chain of trust is no...

CVE-2020-8660

CNCF Envoy through 1.13.0 TLS inspector bypass. TLS inspector could have been bypassed not recognized as a TLS client by a client using only TLS 1.3. Because TLS extensions SNI, ALPN were not inspected, those connections might have been matched to a wrong filter chain, possibly bypassing some...

Huawei EulerOS: Security Advisory for dovecot (EulerOS-SA-2019-2571)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 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...

Huawei EulerOS: Security Advisory for dovecot (EulerOS-SA-2019-2138)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 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...

EulerOS 2.0 SP3 : dovecot (EulerOS-SA-2019-2571)

According to the versions of the dovecot packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - 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...

EulerOS 2.0 SP2 : dovecot (EulerOS-SA-2019-2372)

According to the versions of the dovecot packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - 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...

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...

Input validation

DISPUTED 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...

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...

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...

CVE-2018-21029

CVE-2018-21029 affects systemd 239–245, where DNS over TLS accepts any CA-signed certificate because hostname validation is not performed with the GnuTLS backend and SNI is not sent. This creates potential exposure of confidentiality/integrity/availability for DNS over TLS connections, with CVSS ...

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...

FreeBSD : Exim -- RCE with root privileges in TLS SNI handler (61db9b88-d091-11e9-8d41-97657151f8c2)

Exim developers report : If your Exim server accepts TLS connections, it is vulnerable. This does not depend on the TLS libray, so both, GnuTLS and OpenSSL are affected. The vulnerability is exploitable by sending a SNI ending in a backslash-null sequence during the initial TLS handshake. The...