This Week in Security News: Ransomware and Cyber Threats

Welcome to our weekly roundup, where we share what you need to know about the cybersecurity news and events that happened over the past few days. This week, learn about new routines for encryption of JobCrypter ransomware. Also, understand how Emotet has managed to evolve into one of the most...

CISA Releases Blog on Emergency Directive

The U.S. Department of Homeland Security DHS Cybersecurity and Infrastructure Security Agency CISA Director Christopher Krebs, has released a blog, titled “Why CISA Issued Our First Emergency Directive,” to explain considerations in issuing Emergency Directive 19-01 on January 22, 2019. The...

U.S. Gov Issues Urgent Warning of DNS Hijacking Attacks

The Department of Homeland Security is ordering all federal agencies to urgently audit Domain Name System DNS security for their domains in the next 10 business days. The department’s rare “emergency directive,” issued Tuesday, warned that multiple government domains have been targeted by DNS...

DHS Orders U.S. Federal Agencies to Audit DNS Security for Their Domains

The U.S. Department of Homeland Security DHS has today issued an "emergency directive" to all federal agencies ordering IT staff to audit DNS records for their respective website domains, or other agency-managed domains, within next 10 business days. The emergency security alert came in the wake ...

'Unprecedented' DNS Hijacking Attacks Linked to Iran

A wave of DNS hijacking attacks targeting victims in North America, Europe, Middle East and North Africa have been linked to Iran. The attacks, which have been ongoing over the past two years, have had “a high degree of success” harvesting targets’ credentials, according to researchers. Researche...

DNS Infrastructure Hijacking Campaign

The National Cybersecurity and Communications Integration Center NCCIC, part of the Cybersecurity and Infrastructure Security Agency CISA, is aware of a global Domain Name System DNS infrastructure hijacking campaign. Using compromised credentials, an attacker can modify the location to which an...

Linux.org Redirected to NSFW Page Spewing Racial Epithets

The Linux organization said late Friday that its main domain, Linux.org, was hacked and defaced in a DNS hijacking incident. The group said that someone was able to compromise the registrar account for the domain and point its DNS to another server — as well as lock administrators out from changi...

Ubuntu: Security Advisory (USN-3685-1)

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

Ubuntu: Security Advisory (USN-3553-1)

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

Roaming Mantis, part III

In Q2 2018, Kaspersky Lab published two blogposts about Roaming Mantis sharing details of this new cybercriminal campaign. In the beginning, the criminals used DNS hijacking in vulnerable routers to spread malicious Android applications of Roaming Mantis aka MoqHao and XLoader, spoofing legitimat...

Debian DLA-1421-1 : ruby2.1 security update

Multiple vulnerabilities were found in the interpreter for the Ruby language. The Common Vulnerabilities and Exposures project identifies the following issues : CVE-2015-9096 SMTP command injection in Net::SMTP via CRLF sequences in a RCPT TO or MAIL FROM command. CVE-2016-2339 Exploitable heap...

Ubuntu 14.04 LTS / 16.04 LTS : Ruby vulnerabilities (USN-3685-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3685-1 advisory. Some of these CVE were already addressed in previous USN: 3439-1, 3553-1, 3528-1. Here we address for the remain releases. It was discovered...

Momentum Axel 720P DNS Hijacking Vulnerability

The Momentum Axel 720P is a dual-band HD camera that supports WiFi connectivity. A security vulnerability exists in the Momentum Axel 720P version 5.1.8, which stems from the program's lack of SSL authentication. A remote attacker can exploit the vulnerability by hijacking DNS to upgrade the...

USN-3685-1: Ruby vulnerabilities

Some of these CVE were already addressed in previous USN: 3439-1, 3553-1, 3528-1. Here we address for the remain releases. It was discovered that Ruby incorrectly handled certain inputs. An attacker could use this to cause a buffer overrun. CVE-2017-0898 It was discovered that Ruby incorrectly...

CVE-2018-12257

An issue was discovered on Momentum Axel 720P 5.1.8 devices. There is Authenticated Custom Firmware Upgrade via DNS Hijacking. An authenticated root user with CLI access is able to remotely upgrade firmware to a custom image due to lack of SSL validation by changing the nameservers in...

CVE-2018-12257

An issue was discovered on Momentum Axel 720P 5.1.8 devices. There is Authenticated Custom Firmware Upgrade via DNS Hijacking. An authenticated root user with CLI access is able to remotely upgrade firmware to a custom image due to lack of SSL validation by changing the nameservers in...

Design/Logic Flaw

An issue was discovered on Momentum Axel 720P 5.1.8 devices. There is Authenticated Custom Firmware Upgrade via DNS Hijacking. An authenticated root user with CLI access is able to remotely upgrade firmware to a custom image due to lack of SSL validation by changing the nameservers in...

CVE-2018-12257

CVE-2018-12257 affects Momentum Axel 720P 5.1.8. An authenticated root user with CLI access can remotely upgrade firmware to a custom image by exploiting DNS hijacking and the device’s lack of SSL validation: changing /etc/resolv.conf to point to the attacker’s server, then serving the expected H...

CVE-2018-12257

An issue was discovered on Momentum Axel 720P 5.1.8 devices. There is Authenticated Custom Firmware Upgrade via DNS Hijacking. An authenticated root user with CLI access is able to remotely upgrade firmware to a custom image due to lack of SSL validation by changing the nameservers in...

DNS-Hijacking Malware Targeting iOS, Android and Desktop Users Worldwide

Widespread routers' DNS hijacking malware that recently found targeting Android devices has now been upgraded its capabilities to target iOS devices as well as desktop users. Dubbed Roaming Mantis, the malware was initially found hijacking Internet routers last month to distribute Android banking...