[SECURITY] Fedora 26 Update: exim-4.90.1-3.fc26

Exim is a message transfer agent MTA developed at the University of Cambridge for use on Unix systems connected to the Internet. It is freely available under the terms of the GNU General Public Licence. In style it is similar to Smail 3, but its facilities are more general. There is a great deal ...

Internet Bug Bounty: Exim off-by-one RCE vulnerability

Hi, I found an off-by-one in Exim MTA utility function. It was reported to exim and official patch has been released, assigned CVE-2018-6789. This bug affects all versions of exim. This bug is simple, but can be leverage to gain remote code execution, using skillful heap exploitation. Details are...

Out-of-bounds

A specially crafted email delivered over SMTP and passed on to Dovecot by MTA can trigger an out of bounds read resulting in potential sensitive information disclosure and denial of service. In order to trigger this vulnerability, an attacker needs to send a specially crafted email message to the...

CVE-2017-14461

A specially crafted email delivered over SMTP and passed on to Dovecot by MTA can trigger an out of bounds read resulting in potential sensitive information disclosure and denial of service. In order to trigger this vulnerability, an attacker needs to send a specially crafted email message to the...

CVE-2017-14461

A specially crafted email delivered over SMTP and passed on to Dovecot by MTA can trigger an out of bounds read resulting in potential sensitive information disclosure and denial of service. In order to trigger this vulnerability, an attacker needs to send a specially crafted email message to the...

CVE-2017-14461

A specially crafted email delivered over SMTP and passed on to Dovecot by MTA can trigger an out of bounds read resulting in potential sensitive information disclosure and denial of service. In order to trigger this vulnerability, an attacker needs to send a specially crafted email message to the...

CVE-2017-14461

CVE-2017-14461 affects Dovecot when a specially crafted email delivered over SMTP to a server is parsed by Dovecot, triggering an out-of-bounds read that can disclose sensitive information or cause a denial of service. The issue stems from improper handling of certain emails and has been addresse...

CVE-2017-14461

A specially crafted email delivered over SMTP and passed on to Dovecot by MTA can trigger an out of bounds read resulting in potential sensitive information disclosure and denial of service. In order to trigger this vulnerability, an attacker needs to send a specially crafted email message to the...

CVE-2017-14461

A specially crafted email delivered over SMTP and passed on to Dovecot by MTA can trigger an out of bounds read resulting in potential sensitive information disclosure and denial of service. In order to trigger this vulnerability, an attacker needs to send a specially crafted email message to the...

Dovecot IMAP Server rfc822_parse_domain Information Leak Vulnerability

Summary An exploitable out of bounds read vulnerability exists in the RFC822 parser as implemented in Dovecot IMAP Server 2.2.33.2. A specially crafted email delivered over SMTP and passed on to Dovecot by MTA can trigger an out of bounds read resulting in potential sensitive information disclosu...

[SECURITY] Fedora 26 Update: exim-4.89-7.fc26

Exim is a message transfer agent MTA developed at the University of Cambridge for use on Unix systems connected to the Internet. It is freely available under the terms of the GNU General Public Licence. In style it is similar to Smail 3, but its facilities are more general. There is a great deal ...

Exim MTA BDAT Denial Of Service (CVE-2017-16944)

A denial of service vulnerability exists in Exim message transfer agent. The vulnerability is due to improper pointer resetting. A remote attacker can exploit this vulnerability by crafting a sequence of BDAT commands. Successful exploitation can lead to program crash on the effected system...

Exim Use-After-Free(CVE-2017-16943)

On 23 November, 2017, we reported two vulnerabilities to Exim. These bugs exist in the SMTP daemon and attackers do not need to be authenticated, including CVE-2017-16943 for a use-after-free UAF vulnerability, which leads to Remote Code Execution RCE; and CVE-2017-16944 for a Denial-of-Service D...

OpenSMTPD Code Execution

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...

UBUNTU-CVE-2015-7687

Use-after-free vulnerability in OpenSMTPD before 5.7.2 allows remote attackers to cause a denial of service crash or execute arbitrary code via vectors involving reqcavrfysmtp and reqcavrfymta...

Qmail SMTP Bash Environment Variable Injection (Shellshock)

This module requires Metasploit: http://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'Qmail SMTP Bash Environment Variable Injection Shellshock', 'Description' = %q This module exploits a shellshock vulnerability on Qmail, a public...

GLSA-201709-20 : Postfix: Privilege escalation

The remote host is affected by the vulnerability described in GLSA-201709-20 Postfix: Privilege escalation By default, Berkeley DB reads a DBCONFIG configuration file from the current working directory. This is an undocumented behavior. Impact : A local attacker, by using a specially crafted...

CVE-2017-9478

The Comcast firmware on Cisco DPC3939 firmware version dpc3939-P20-18-v303r20421733-160420a-CMCST and DPC3939 firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST devices sets the CM MAC address to a value with a two-byte offset from the MTA/VoIP MAC address, which indirectly allows remote...

Microsoft Word MTA Handler Remote Code Execution

Exploit Author: Juan Sacco at KPN Red Team Developed using Exploit Pack - http://www.exploitpack.com Description: Microsoft Word CVE-2017-0199 is prone to a RCE trough a HTA Handler A remote code execution vulnerability exists in the way that Microsoft Office and WordPad parse specially crafted...

PHPMailer < 5.2.20 with Exim MTA - Remote Code Execution Exploit

Exploit for php platform in category web applications !/usr/bin/python Exploit Title: RCE for PHPMailer 5.2.20 with Exim MTA Date: 16/06/2017 Exploit Author: @phacktul Software Link: https://github.com/PHPMailer/PHPMailer Version: 5.2.20 Tested on: Debian x86/x64 CVE :...