306 matches found
DEBIAN-CVE-2020-12244
An issue has been found in PowerDNS Recursor 4.1.0 through 4.3.0 where records in the answer section of a NXDOMAIN response lacking an SOA were not properly validated in SyncRes::processAnswer, allowing an attacker to bypass DNSSEC validation...
Three Areas to Consider, to Focus Your Cyber-Plan
How’s this for concerning news: Half of all organizations don’t have the wherewithal to stop malicious actors from stealing sensitive information, taking down critical assets or damaging customer trust. According to a recent report from FireEye, 51 percent of organizations don’t believe they are...
The Benefits of a Single Provider DNS Platform
I've written in previous blogs about the value of using DNS as a security control point and how using a DNS based security solution like Akamai's Enterprise Threat Protector can help accelerate your transition to a Zero Trust security approach. In this blog, I'm going to cover how in addition to...
systemd: systemd-resolved allows unprivileged users to configure DNS
An improper authorization flaw was discovered in systemd-resolved in the way it configures the exposed DBus interface org.freedesktop.resolve1. An unprivileged local attacker could call all DBus methods, even when marked as privileged operations. An attacker could abuse this flaw by changing the...
ALPINE-CVE-2019-6475
Mirror zones are a BIND feature allowing recursive servers to pre-cache zone data provided by other servers. A mirror zone is similar to a zone of type secondary, except that its data is subject to DNSSEC validation before being used in answers, as if it had been looked up via traditional...
DNS Protection: A "Must" in Security Solutions for any Company
Domain name system DNS services are often a point of vulnerability for businesses, so DNS security has become a growing concern for many of them. DNS is a critical element for all companies because it turns domain names into internet protocol IP addresses. Cyber criminals have been digging into D...
Malvertising: Online advertising's darker side
By Nick Biasini, Chris Neal and Matt Valites. Executive summary One of the trickiest challenges enterprises face is managing the balance between aggressively blocking malicious advertisements aka malvertising and allowing content to remain online, accessible for the average user. The days of...
UBUNTU-CVE-2019-10191
A vulnerability was discovered in DNS resolver of knot resolver before version 4.1.0 which allows remote attackers to downgrade DNSSEC-secure domains to DNSSEC-insecure state, opening possibility of domain hijack using attacks against insecure DNS protocol...
DHS Shortens Deadline For Gov Agencies to Fix Critical Flaws
A Department of Homeland Security DHS order now requires agencies to remediate critical vulnerabilities discovered on their systems in 15 days – cutting in half the previous deadline of 30 days. That’s according to a Tuesday binding directive, which is a compulsory order for federal, executive...
DEBIAN-CVE-2019-3807
An issue has been found in PowerDNS Recursor versions 4.1.x before 4.1.9 where records in the answer section of responses received from authoritative servers with the AA flag not set were not properly validated, allowing an attacker to bypass DNSSEC validation...
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 ...
Design/Logic Flaw
To provide fine-grained controls over the ability to use Dynamic DNS DDNS to update records in a zone, BIND 9 provides a feature called update-policy. Various rules can be configured to limit the types of updates that can be performed by a client, depending on the key used when sending the update...
Zero Trust Security Protects Businesses while Enabling Growth
Many companies have their own applications, internal domains, and local area network LAN. But when it comes to business applications, organizations are increasingly dependent on cloud-based resources. These may include email servers, customer relationship management CRM software, or other...
CVE-2018-14663
An issue has been found in PowerDNS DNSDist before 1.3.3 allowing a remote attacker to craft a DNS query with trailing data such that the addition of a record by dnsdist, for example an OPT record when adding EDNS Client Subnet, might result in the trailing data being smuggled to the backend as a...
dns-net.ch XSS vulnerability
Open Bug Bounty ID: OBB-700884 Description| Value ---|--- Affected Website:| dns-net.ch Open Bug Bounty Program:| Create your bounty program now. It's open and free. Vulnerable Application:| hidden until disclosure Vulnerability Type:| XSS Cross Site Scripting / CWE-79 CVSSv3 Score:| hidden until...
powerdns -- Multiple vulnerabilities
PowerDNS Team reports: CVE-2018-10851: An issue has been found in PowerDNS Authoritative Server allowing an authorized user to cause a memory leak by inserting a specially crafted record in a zone under their control, then sending a DNS query for that record. The issue is due to the fact that som...
Most Threatening DNS Security Risks And How To Avoid Them
By Zehra Ali The DNS or Domain Name System is one of the most necessary components for the internet functionality. Most often, the internet businesses are negligent to the security of their digital identity that is the DNS. This poor security of DNS makes it vulnerable to many cyber attacks which...
How's that Security Back Door Doing? (Part 2)
In the first part of this blog post I wrote about how recursive DNS rDNS is an attack surface that many enterprises don't currently protect. Bad actors are exploiting that fact and developing advanced targeted threats that use DNS to bypass conventional security tools such as firewalls, secure we...
ARE YOU LEAVING YOUR SECURITY BACKDOOR OPEN?
Gartner predicts that enterprises will spend $96 Billion on cyber security this year, up 8% from their spend in 2017. That's a big chunk of change. To put it into context, that spend is in the same ballpark as the individual GDPs of Venezuela, Sri Lanka and Puerto Rico in 2018. Despite this,...
Mozilla Tests DNS over HTTPS: Meets Some Privacy Pushback
The Mozilla Foundation is testing a new mechanism for securing domain name server traffic that uses the encrypted HTTPS channel. It is an attempt to speed up the internet, reduce the threat of man-in-the-middle attacks and keep prying eyes from monitoring what users do online. Starting in the nex...