Security advisory: Qt Network

A recent SSL issue affecting both OpenSSL and Schannel in Qt Network has been reported and has been assigned the CVE id CVE-2023-34410. In some circumstances, system CA certificates list remains unexpectedly active for the authentication of SSL peers. In a case where clients are supposed to be...

It’s always DNS, here’s why…

Introduction Theres an old adage in network and Internet support: When something breaks in any network "it was DNS". Sadly its usually true. …or at least it is when you have certain timeouts, or when a company you used to work for moves from the stable Unix based DNS to a Windows based one and th...

K3568: DNS denial of service vulnerability - CAN-2004-0789

Security Advisory Description Note : Versions that are not listed in this article have not been evaluated for vulnerability to this security advisory. For information about the F5 security policy regarding evaluating older and unsupported versions of F5 products, refer to K4602: Overview of the F...

CVE-2021-4248

A vulnerability was found in kapetan dns up to 6.1.0. It has been rated as problematic. Affected by this issue is some unknown functionality of the file DNS/Protocol/Request.cs. The manipulation leads to insufficient entropy in prng. The attack may be launched remotely. Upgrading to version 7.0.0...

ISC BIND: Multiple Vulnerabilities

Background ISC BIND is the Internet Systems Consortium implementation of the Domain Name System DNS protocol. Description Multiple vulnerabilities have been discovered in ISC BIND. Please review the CVE identifiers referenced below for details. Impact Please review the referenced CVE identifiers...

ISC BIND Buffer Overflow Vulnerability

ISC BIND is the United States ISC company's set of open source software that implements the DNS protocol. ISC BIND suffers from a buffer overflow vulnerability that originates when reusing an HTTP connection to request statistics from the stats channel, where the length of the contents of...

ISC BIND input validation error vulnerability

ISC BIND is a set of open source software from ISC that implements the DNS protocol. ISC BIND is vulnerable to an input validation error, which could be exploited by an attacker to cause a query to the wrong server, returning an error message to the client...

Designate does not enforce the DNS protocol limit concerning record set sizes

Designate does not enforce the DNS protocol limit concerning record set sizes...

GHSA-C33M-22CR-J9X4 Designate does not enforce the DNS protocol limit concerning record set sizes

Designate does not enforce the DNS protocol limit concerning record set sizes...

OilRig is back with another Phishing Email attack, delivering the Saitama Backdoor

THREAT LEVEL: Amber. For a detailed advisory, download the pdf file here An Iranian cyber espionage gang known as OilRig has began delivering malicious email to a Jordanian government employee at the foreign ministry. The email includes a malicious Excel sheet that installs the Saitama backdoor...

openSUSE: Security Advisory for go1.17 (SUSE-SU-2022:1167-1)

The remote host is missing an update for the Copyright C 2022 Greenbone Networks GmbH 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-or-later This program is free software; you can...

openSUSE: Security Advisory for go1.16 (SUSE-SU-2022:1164-1)

The remote host is missing an update for the Copyright C 2022 Greenbone Networks GmbH 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-or-later This program is free software; you can...

SUSE-SU-2022:1167-1 Security update for go1.17

This update for go1.17 fixes the following issues: Update to version 1.17.8 bsc1190649: - CVE-2022-24921: Fixed a potential denial of service via large regular expressions bsc1196732. Non-security fixes: - Fixed an issue with v2 modules go51332. - Fixed an issue when building source in riscv64...

SUSE-SU-2022:1164-1 Security update for go1.16

This update for go1.16 fixes the following issues: Update to version 1.16.15 bsc1182345: - CVE-2022-24921: Fixed a potential denial of service via large regular expressions bsc1196732. Non-security fixes: - Fixed an issue with v2 modules go51331. - Fixed an issue when building source in riscv64...

ISC BIND Denial of Service Vulnerability (CNVD-2023-25100)

ISC BIND is an open source software implementation of the DNS protocol from ISC, Inc. A denial-of-service vulnerability exists in BIND, which stems from an error in the corresponding processing of the product's authorization server. An attacker could exploit the vulnerability to cause a performan...

How the NAME:WRECK Bugs Impact Consumers, Businesses

Researchers estimate more than 100 million internet-connected devices are vulnerable to a class of flaws dubbed NAME:WRECK. Devices ranging from smartphones, aircraft navigation systems and industrial internet of things IIoT endpoints are vulnerable to either a denial-of-service DoS or remote...

NICER Protocol Deep Dive: Internet Exposure of DNS-over-TLS

Welcome to the NICER Protocol Deep Dive blog series! When we started researching what all was out on the internet way back in January, we had no idea we'd end up with a hefty, 137-page tome of a research report. The sheer length of such a thing might put off folks who might otherwise learn a thin...

TrickBot Linux Variants Active in the Wild Despite Recent Takedown

Efforts to disrupt TrickBot may have shut down most of its critical infrastructure, but the operators behind the notorious malware aren't sitting idle. According to new findings shared by cybersecurity firm Netscout, TrickBot's authors have moved portions of their code to Linux in an attempt to...

dnsmasq -- DNS cache poisoning, and DNSSEC buffer overflow, vulnerabilities

Simon Kelley reports: There are broadly two sets of problems. The first is subtle errors in dnsmasq's protections against the chronic weakness of the DNS protocol to cache-poisoning attacks; the Birthday attack, Kaminsky, etc.... the second set of errors is a good old fashioned buffer overflow in...

Amplification Attacks

PowerDNS Recursor is vulnerable toamplification attacks. It does not sufficiently defend against amplification attacks. An issue in the DNS protocol has been found that allow malicious parties to use recursive DNS services to attack third party authoritative name servers. The attack uses a crafte...