562 matches found
F5 Networks BIG-IP : BIND vulnerability (K19807532)
"The asterisk character '' is allowed in DNS zone files, where it is most commonly present as a wildcard at a terminal node of the Domain Name System graph. However, the RFCs do not require and BIND does not enforce that an asterisk character be present only at a terminal node. A problem can occu...
Denial Of Service (DoS)
PowerDNS Authoritative Server are vulnerable to denial of service DoS. It is causing a packet cache pollution via crafted query that can lead to denial of service...
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...
Denial Of Service (DoS)
PowerDNS Authoritative Server is vulnerable to denial of service. A memory leak occurs while parsing malformed records which can lead to an application crash...
Security Bulletin: Smart Cloud Entry is affected by ISC BIND vulnerabilities
Summary Multiple vulnerabilitieshave been identified in ISC BIND. ISC BIND shipped with IBM SmartCloud Entry Appliance. Vulnerability Details CVEID: CVE-2017-3142 DESCRIPTION: ISC BIND could allow a remote attacker to bypass security restrictions, caused by an error when an attacker can send and...
unbound: amplification of an incoming query into a large number of queries directed to a target
A network amplification vulnerability was found in Unbound, in the way it processes delegation messages from one authoritative zone to another. This flaw allows an attacker to cause a denial of service or be part of an attack against another DNS server when Unbound is deployed as a recursive...
unbound: amplification of an incoming query into a large number of queries directed to a target
A network amplification vulnerability was found in Unbound, in the way it processes delegation messages from one authoritative zone to another. This flaw allows an attacker to cause a denial of service or be part of an attack against another DNS server when Unbound is deployed as a recursive...
unbound: amplification of an incoming query into a large number of queries directed to a target
A network amplification vulnerability was found in Unbound, in the way it processes delegation messages from one authoritative zone to another. This flaw allows an attacker to cause a denial of service or be part of an attack against another DNS server when Unbound is deployed as a recursive...
unbound: amplification of an incoming query into a large number of queries directed to a target
A network amplification vulnerability was found in Unbound, in the way it processes delegation messages from one authoritative zone to another. This flaw allows an attacker to cause a denial of service or be part of an attack against another DNS server when Unbound is deployed as a recursive...
unbound: amplification of an incoming query into a large number of queries directed to a target
A network amplification vulnerability was found in Unbound, in the way it processes delegation messages from one authoritative zone to another. This flaw allows an attacker to cause a denial of service or be part of an attack against another DNS server when Unbound is deployed as a recursive...
Updated pdns-recursor packages fix security vulnerabilities
Updated pdns-recursor packages fix security vulnerabilities: 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 crafted reply by an authoritative name server to amplify the...
New DNS Vulnerability Lets Attackers Launch Large-Scale DDoS Attacks
Israeli cybersecurity researchers have disclosed details about a new flaw impacting DNS protocol that can be exploited to launch amplified, large-scale distributed denial-of-service DDoS attacks to takedown targeted websites. Called NXNSAttack, the flaw hinges on the DNS delegation mechanism to...
New DNS Vulnerability Lets Attackers Launch Large-Scale DDoS Attacks
Israeli cybersecurity researchers have disclosed details about a new flaw impacting DNS protocol that can be exploited to launch amplified, large-scale distributed denial-of-service DDoS attacks to takedown targeted websites. Called NXNSAttack, the flaw hinges on the DNS delegation mechanism to...
CVE-2020-12662
A network amplification vulnerability was found in Unbound, in the way it processes delegation messages from one authoritative zone to another. This flaw allows an attacker to cause a denial of service or be part of an attack against another DNS server when Unbound is deployed as a recursive...
CVE-2020-10995
PowerDNS Recursor from 4.1.0 up to and including 4.3.0 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 crafted rep...
Design/Logic Flaw
PowerDNS Recursor from 4.1.0 up to and including 4.3.0 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 crafted rep...
powerdns-recursor -- multiple vulnerabilities
PowerDNS Team reports: CVE-2020-10995: 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 crafted reply by an authoritative name server to amplify the resulting traffic between...
Open-Xchange: Recursor accepts unsigned, empty NXDOMAINs in secure zones
Hi! This is a slightly edited version of the email I sent to the project's security contacts on 2020-04-21. Open-Xchange confirmed it and asked me to resubmit it here. --- Subject: Recursor may be accepting unsigned, empty NXDOMAINs in secure zones I can easily reproduce this against Cloudflare's...
