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Debian: DSA-2547-1 Critical: Bind9 DoS Vulnerability Report

debian
Calendar Grey September 12, 2012
Debian Logo
BIND DNS service update points to inadequate record management resulting in service disruptions. Immediate upgrade advised.
It was discovered that BIND, a DNS server, does not handle DNS records properly which approach size limits inherent to the DNS protocol

Summary

It was discovered that BIND, a DNS server, does not handle DNS records
properly which approach size limits inherent to the DNS protocol. An
attacker could use crafted DNS records to crash the BIND server
process, leading to a denial of service.

For the stable distribution (squeeze), this problem has been fixed in
version 1:9.7.3.dfsg-1~squeeze7.

We recommend that you upgrade your bind9 packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/



Severity
critical
Lowest
Low
Medium
High
Critical

Package: bind9
CVE ID: CVE-2012-4244

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