Threat Round Up for Feb 16 - 23

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between February 16 and February 23. As with previous round-ups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavior...

Design/Logic Flaw

A vulnerability in the SMTP relay of Cisco Unity Connection could allow an unauthenticated, remote attacker to send unsolicited email messages, aka a Mail Relay Vulnerability. The vulnerability is due to improper handling of domain information in the affected software. An unauthenticated, remote...

CVE-2018-0203

A vulnerability in the SMTP relay of Cisco Unity Connection could allow an unauthenticated, remote attacker to send unsolicited email messages, aka a Mail Relay Vulnerability. The vulnerability is due to improper handling of domain information in the affected software. An unauthenticated, remote...

CVE-2018-0203

CVE-2018-0203 : A vulnerability in the SMTP relay of Cisco Unity Connection allows an unauthenticated, remote attacker to send unsolicited email messages due to improper handling of domain information. A successful exploit could deliver emails to arbitrary addresses. Affected product: Cisco Unity...

CVE-2018-0203

A vulnerability in the SMTP relay of Cisco Unity Connection could allow an unauthenticated, remote attacker to send unsolicited email messages, aka a Mail Relay Vulnerability. The vulnerability is due to improper handling of domain information in the affected software. An unauthenticated, remote...

CVE-2018-0203

A vulnerability in the SMTP relay of Cisco Unity Connection could allow an unauthenticated, remote attacker to send unsolicited email messages, aka a Mail Relay Vulnerability. The vulnerability is due to improper handling of domain information in the affected software. An unauthenticated, remote...

CVE-2018-0203: Undefined Security Weakness

A vulnerability in the SMTP relay of Cisco Unity Connection could allow an unauthenticated, remote attacker to send unsolicited email messages, aka a Mail Relay Vulnerability. The vulnerability is due to improper handling of domain information in the affected software. An unauthenticated, remote...

Cisco Unity Connection Mail Relay Vulnerability

A vulnerability in the SMTP relay of Cisco Unity Connection could allow an unauthenticated, remote attacker to send unsolicited email messages. The vulnerability is due to improper handling of domain information in the affected software. An unauthenticated, remote attacker could exploit this...

[ASA-201802-6] exim: arbitrary code execution

Arch Linux Security Advisory ASA-201802-6 ========================================= Severity: High Date : 2018-02-12 CVE-ID : CVE-2018-6789 Package : exim Type : arbitrary code execution Remote : Yes Link : https://security.archlinux.org/AVG-608 Summary ======= The package exim before version...

Debian DSA-4110-1 : exim4 - security update

Meh Chang discovered a buffer overflow flaw in a utility function used in the SMTP listener of Exim, a mail transport agent. A remote attacker can take advantage of this flaw to cause a denial of service, or potentially the execution of arbitrary code via a specially crafted message. C Tenable...

Debian: Security Advisory (DSA-4110-1)

The remote host is missing an update for the Debian 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...

CVE-2018-6789

An issue was discovered in the base64d function in the SMTP listener in Exim before 4.90.1. By sending a handcrafted message, a buffer overflow may happen. This can be used to execute code remotely...

DEBIAN-CVE-2018-6789

An issue was discovered in the base64d function in the SMTP listener in Exim before 4.90.1. By sending a handcrafted message, a buffer overflow may happen. This can be used to execute code remotely...

CVE-2018-6789

An issue was discovered in the base64d function in the SMTP listener in Exim before 4.90.1. By sending a handcrafted message, a buffer overflow may happen. This can be used to execute code remotely...

Buffer overflow

An issue was discovered in the base64d function in the SMTP listener in Exim before 4.90.1. By sending a handcrafted message, a buffer overflow may happen. This can be used to execute code remotely...

Immunity Canvas: EXIM_HEAP_OVERFLOW

Name| eximheapoverflow ---|--- CVE| CVE-2018-6789 Exploit Pack| CANVAS Description| eximheapoverflow Notes| CVE Name: CVE-2018-6789 VENDOR: Exim NOTES: There is a buffer overflow in the b64decode function, this bug exists since the first commit of exim, hence ALL versions are affected. This explo...

CVE-2018-6789

An issue was discovered in the base64d function in the SMTP listener in Exim before 4.90.1. By sending a handcrafted message, a buffer overflow may happen. This can be used to execute code remotely...

CVE-2018-6789

An issue was discovered in the base64d function in the SMTP listener in Exim before 4.90.1. By sending a handcrafted message, a buffer overflow may happen. This can be used to execute code remotely...

CVE-2018-6789

An issue was discovered in the base64d function in the SMTP listener in Exim before 4.90.1. By sending a handcrafted message, a buffer overflow may happen. This can be used to execute code remotely...

CVE-2018-6789

CVE-2018-6789 is an Exim SMTP base64d buffer overflow vulnerability. The issue resides in the base64d function of Exim’s SMTP listener prior to version 4.90.1, where a handcrafted EHLO/message can cause a heap/buffer overflow and enable remote code execution. Multiple sources confirm the vulnerab...