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 ...

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...

CVE-2019-15846: the exim remote access to root privileges vulnerability alerts-a vulnerability alert-the black bar safety net

GMT 2019 9 November 6 December 18: 00 PM, the exim release exim-4.92.2 version fixes CVE-2019-15846, an attacker can use this vulnerability to remotely obtain root privileges. Vulnerabilities from qualys to find and report. 360CERT determine the vulnerability to hazards and the impact is large...

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...

Exim < 4.92.2 RCE Vulnerability

Exim is prone to a remote code execution RCE vulnerability. SPDX-FileCopyrightText: 2019 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 CPE = "cpe:/a:exim:exim"; if...

Exim Unauthenticated Remote Code Execution via SNI Trailing Backslash

Exim before 4.92.2 allows remote attackers to execute arbitrary code as root via a trailing backslash. If the Exim server accepts TLS connections, the vulnerability is exploitable by sending a SNI ending in a backslash-null sequence during the initial TLS handshake. Recent assessments: mkienow-r7...

Exim -- RCE with root privileges in TLS SNI handler

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...

openSUSE Security Update : znc (openSUSE-2019-571)

This update for znc fixes the following issues : - Update to version 1.7.1 - CVE-2018-14055: non-admin user could gain admin privileges and shell access by injecting values into znc.conf bnc1101281 - CVE-2018-14056: path traversal in HTTP handler via ../ in a web skin name. bnc1101280 - Update to...

Securing CDN Delivery with TLS at Massive Scale

The growth of HTTPS on the Internet Amidst ever-growing security concerns, providing protected Internet connections is more important than ever. The movement towards an Internet that places more emphasis on data integrity and confidentiality is taking place swiftly. HTTP connections are giving wa...

gnutls security, bug fix, and enhancement update

3.3.29-8.0.1 - Include ECDSA KAT into selftests for FIPS140-2 compliance Orabug 27484156 3.3.29-8 - Backported --sni-hostname option which allows overriding the hostname advertised to the peer 1444792 - Improved counter-measures in TLS CBC record padding for lucky13 attack CVE-2018-10844, 1589704...

python security and bug fix update

2.7.5-76.0.1 - Add Oracle Linux distribution in platform.py orabug 20812544 2.7.5-76 - Remove an unversioned obsoletes tag Resolves: rhbz1627059 2.7.5-75 - Provide the /usr/libexec/platform-python symlink to the main binary Resolves: rhbz1599159 2.7.5-74 - Fix OSERROR 17 due to...

SUSE SLES12 Security Update : dovecot22 (SUSE-SU-2018:2632-2)

This update for dovecot22 fixes the following issues : Security issue fixed : CVE-2017-15130: Fixed a potential denial of service via TLS SNI config lookups, which would slow the process down and could have led to exhaustive memory allocation and/or process restarts bsc1082828 Note that Tenable...

SUSE-SU-2018:2632-2 Security update for dovecot22

This update for dovecot22 fixes the following issues: Security issue fixed: - CVE-2017-15130: Fixed a potential denial of service via TLS SNI config lookups, which would slow the process down and could have led to exhaustive memory allocation and/or process restarts bsc1082828...

openSUSE Security Update : dovecot22 (openSUSE-2018-973)

This update for dovecot22 fixes the following issues : Security issue fixed : - CVE-2017-15130: Fixed a potential denial of service via TLS SNI config lookups, which would slow the process down and could have led to exhaustive memory allocation and/or process restarts bsc1082828 This update was...

openSUSE: Security Advisory for dovecot22 (openSUSE-SU-2018:2642-1)

The remote host is missing an update for the Copyright C 2018 Greenbone Networks GmbH 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-or-later This program is free software; you can...

openSUSE Security Update : znc (openSUSE-2018-819)

This update for znc fixes the following issues : - Update to version 1.7.1 - CVE-2018-14055: non-admin user could gain admin privileges and shell access by injecting values into znc.conf bnc1101281 - CVE-2018-14056: path traversal in HTTP handler via ../ in a web skin name. bnc1101280 - Update to...

Security update for znc (moderate)

This update for znc fixes the following issues: - Update to version 1.7.1 CVE-2018-14055: non-admin user could gain admin privileges and shell access by injecting values into znc.conf bnc1101281 CVE-2018-14056: path traversal in HTTP handler via ../ in a web skin name. bnc1101280 - Update to...

Dovecot <= 2.2.34 and 2.3.0 Multiple Vulnerabilities

Dovecot is prone to multiple vulnerabilities. SPDX-FileCopyrightText: 2018 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...