unbound: specially crafted request can lead to denial of service

A denial of service flaw was found in unbound that an attacker could use to trick the unbound resolver into following an endless loop of delegations, consuming an excessive amount of resources...

ISC BIND Recursive Resolver Resource Consumption Denial of Service (CVE-2014-8500)

A denial of service vulnerability exists in ISC BIND. The vulnerability is due to a design weakness in the way BIND follows DNS delegations. A remote attacker can exploit these vulnerabilities by sending a request to a recursive resolver forcing the resolver to issue a large number possibly...

CentOS 5 : bind97 (CESA-2014:1985)

"Updated bind97 packages that fix one security issue are now available for Red Hat Enterprise Linux 5. Red Hat Product Security has rated this update as having Important security impact. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available fr...

[SECURITY] [DLA 107-1] unbound security update

Package : unbound Version : 1.4.6-1+squeeze4 CVE ID : CVE-2014-8602 Debian Bug : 772622 Florian Maury from ANSSI discovered that unbound, a validating, recursive, and caching DNS resolver, was prone to a denial of service vulnerability. An attacker crafting a malicious zone and able to emit or ma...

FreeBSD : unbound -- can be tricked into following an endless series of delegations, this consumes a lot of resources (10d73529-7f4b-11e4-af66-00215af774f0)

Unbound developer reports : The resolver can be tricked into following an endless series of delegations, this consumes a lot of resources. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from the FreeBSD VuXML database :...

unbound -- can be tricked into following an endless series of delegations, this consumes a lot of resources

Unbound developer reports: The resolver can be tricked into following an endless series of delegations, this consumes a lot of resources...

DEBIAN-CVE-2009-3602

Unbound before 1.3.4 does not properly verify signatures for NSEC3 records, which allows remote attackers to cause secure delegations to be downgraded via DNS spoofing or other DNS-related attacks in conjunction with crafted delegation responses...

Design/Logic Flaw

Unbound before 1.3.4 does not properly verify signatures for NSEC3 records, which allows remote attackers to cause secure delegations to be downgraded via DNS spoofing or other DNS-related attacks in conjunction with crafted delegation responses...