New OpenSMTPD RCE Flaw Affects Linux and OpenBSD Email Servers

OpenSMTPD has been found vulnerable to yet another critical vulnerability that could allow remote attackers to take complete control over email servers running BSD or Linux operating systems. OpenSMTPD , also known as OpenBSD SMTP Server, is an open-source implementation of the Simple Mail Transf...

Critical OpenSMTPD Bug Opens Linux and OpenBSD Mail Servers to Hackers

Cybersecurity researchers have discovered a new critical vulnerability CVE-2020-7247 in the OpenSMTPD email server that could allow remote attackers to take complete control over BSD and many Linux based servers. OpenSMTPD is an open-source implementation of the server-side SMTP protocol that was...

CVE-2019-19521

libc in OpenBSD 6.6 allows authentication bypass via the -schallenge username, as demonstrated by smtpd, ldapd, or radiusd. This is related to gen/authsubr.c and gen/authenticate.c in libc and login/login.c and xenocara/app/xenodm/greeter/verify.c...

CVE-2019-19521

libc in OpenBSD 6.6 allows authentication bypass via the -schallenge username, as demonstrated by smtpd, ldapd, or radiusd. This is related to gen/authsubr.c and gen/authenticate.c in libc and login/login.c and xenocara/app/xenodm/greeter/verify.c...

Authentication flaw

libc in OpenBSD 6.6 allows authentication bypass via the -schallenge username, as demonstrated by smtpd, ldapd, or radiusd. This is related to gen/authsubr.c and gen/authenticate.c in libc and login/login.c and xenocara/app/xenodm/greeter/verify.c...

Qualys Security Advisory - OpenBSD Authentication Bypass / Privilege Escalation

Qualys Security Advisory Authentication vulnerabilities in OpenBSD ============================================================================== Contents ============================================================================== 1. CVE-2019-19521: Authentication bypass 1.1. Analysis 1.2. Cas...

CVE-2019-19521

CVE-2019-19521 affects OpenBSD 6.6 libc and enables authentication bypass via the -schallenge username, exploitable remotely in smtpd, ldapd, or radiusd. Root cause ties to libc code paths gen/auth_subr.c and gen/authenticate.c (also related login.c and xenocara/greeter/verify.c). OpenBSD patches...

The vulnerability of the OpenSMTPD mail daemon on the Fedora operating system allows a hacker to cause a service failure or execute arbitrary code.

The vulnerability of the OpenSMTPD mail daemon in the Fedora operating system is related to the use of memory after it is freed. Exploiting this vulnerability allows a malicious actor to cause service failures or execute arbitrary code using the structures reqcavrfysmtp, reqcavrfymta, and...

Ipswitch IMail Server SMTPD RCE Vulnerability (ETRE/ETCETERABLUE)

Ipswitch Collaboration Suite/IMail Server is prone to remote code execution RCE. SPDX-FileCopyrightText: 2017 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 =...

OpenSMTPD has multiple vulnerabilities (CNVD-2015-07458)

OpenSMTPD is a free server-side implementation of the SMTP protocol developed by the OpenBSD team, defined via RFC5321 and part of the OpenBSD project. A security vulnerability exists in versions prior to OpenSMTPD 5.7.3, which can be exploited by an attacker to obtain sensitive information,...

Ubuntu 8.04 LTS : python2.5 vulnerabilities (USN-1613-1)

It was discovered that Python would prepend an empty string to sys.path under certain circumstances. A local attacker with write access to the current working directory could exploit this to execute arbitrary code. CVE-2008-5983 It was discovered that the audioop module did not correctly perform...

USN-1613-2: Python 2.4 vulnerabilities

USN-1613-1 fixed vulnerabilities in Python 2.5. This update provides the corresponding updates for Python 2.4. Original advisory details: It was discovered that Python would prepend an empty string to sys.path under certain circumstances. A local attacker with write access to the current working...

USN-1596-1: Python 2.6 vulnerabilities

It was discovered that Python would prepend an empty string to sys.path under certain circumstances. A local attacker with write access to the current working directory could exploit this to execute arbitrary code. CVE-2008-5983 It was discovered that the audioop module did not correctly perform...

Scientific Linux Security Update : python on SL6.x i386/x86_64

Python is an interpreted, interactive, object-oriented programming language. A flaw was found in the Python urllib and urllib2 libraries where they would not differentiate between different target URLs when handling automatic redirects. This caused Python applications using these modules to follo...

Scientific Linux Security Update : python on SL4.x, SL5.x i386/x86_64

A flaw was found in the Python urllib and urllib2 libraries where they would not differentiate between different target URLs when handling automatic redirects. This caused Python applications using these modules to follow any new URL that they understood, including the 'file://' URL type. This...

CentOS Update for postfix CESA-2011:0843 centos4 x86_64

Check for the Version of postfix OpenVAS Vulnerability Test CentOS Update for postfix CESA-2011:0843 centos4 x8664 Authors: System Generated Check Copyright: Copyright c 2012 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modify it...

RedHat Update for python RHSA-2011:0554-01

The remote host is missing an update for the SPDX-FileCopyrightText: 2012 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 scriptxrefname:"URL",...

Ubuntu 10.04 LTS / 10.10 / 11.04 : python3.1, python3.2 vulnerabilities (USN-1314-1)

Giampaolo Rodola discovered that the smtpd module in Python 3 did not properly handle certain error conditions. A remote attacker could exploit this to cause a denial of service via daemon outage. This issue only affected Ubuntu 10.04 LTS. CVE-2010-3493 Niels Heinen discovered that the urllib...

USN-1314-1: Python 3 vulnerabilities

Giampaolo Rodola discovered that the smtpd module in Python 3 did not properly handle certain error conditions. A remote attacker could exploit this to cause a denial of service via daemon outage. This issue only affected Ubuntu 10.04 LTS. CVE-2010-3493 Niels Heinen discovered that the urllib...

CentOS Update for python CESA-2011:0491 centos4 i386

The remote host is missing an update for the SPDX-FileCopyrightText: 2011 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 scriptxrefname:"URL",...