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New DNS Spoofing Threat Puts Millions of Devices at Risk

eSecurity Planet

Security researchers have uncovered a critical vulnerability that could lead to DNS spoofing attacks in two popular C standard libraries that provide functions for common DNS operations. Understanding DNS Spoofing Attacks. For example, when you enter [link] the browser queries a DNS service to reach the matching servers.

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Some Zyxel devices can be hacked via DNS requests

Security Affairs

Experts at SEC Consult discovered several security issues in various Zyxel devices that allow to hack them via unauthenticated DNS requests. The first issue is an information disclosure flaw via unauthenticated external DNS requests that affect Zyxel devices from the USG, UAG, ATP, VPN and NXC series. ” reads the advisory.

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DNS and Your Privacy: Should you use encrypted DNS?

Security Boulevard

DNS enables the easy navigation from website to website as you currently know it. Many DNS resolvers - such as your internet service provider's (ISP) - do not encrypt queries and may log data and metadata surrounding your queries. Fortunately, using an encrypted DNS server provider can be a viable option for some users out there.

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CVE-2021-40847 flaw in Netgear SOHO routers could allow remote code execution

Security Affairs

The flaw, tracked as CVE-2021-40847, resides in the source of a third-party component included in the firmware of many Netgear devices. For the specific DNS-based MITM attack used above, the attacker must race DNS queries from the Circle update daemon. R6700v3 – 1.0.4.106 R6900 – 1.0.2.16 R7900 – 1.0.4.38

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The Biggest Lessons about Vulnerabilities at RSAC 2021

eSecurity Planet

From BIOS and firmware to UEFI code, VBOS is an attack vector that requires more attention. While the design of a unified extensible firmware interface (UEFI) overcame BIOS limitations, both components critical to computer operation are an increasing target. Also Read: How to Prevent DNS Attacks. Current Target: VBOS.

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Defending Against Misconfigured MFA & PrintNightmare Vulnerabilities

eSecurity Planet

They then authenticated to the victim’s VPN to initiate a remote desktop protocol (RDP) connection to the domain controllers. Update software, including operating systems, applications, and firmware on IT network assets in a timely manner. When possible, implement multi-factor authentication on all VPN connections.

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Unauthenticated RCE can allow hacking DrayTek Vigor routers without user interaction

Security Affairs

All the affected models have a patched firmware available for download on the vendor’s website.” . “The attack can lead to a full compromise of the device and may lead to a network breach and unauthorized access to internal resources.

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