Linux Security
Linux Security
Linux Security

Debian: DSA-2208-2: bind9 security update

Date 31 Mar 2011
152
Posted By LinuxSecurity Advisories
The BIND, a DNS server, contains a defect related to the processing of new DNSSEC DS records by the caching resolver, which may lead to name resolution failures in the delegated zone. If DNSSEC validation is enabled, this issue can make domains ending in .COM unavailable when
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Debian Security Advisory DSA-2208-2                   This email address is being protected from spambots. You need JavaScript enabled to view it.
https://www.debian.org/security/                            Florian Weimer
March 30, 2011                         https://www.debian.org/security/faq
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Package        : bind9
Vulnerability  : denial of service
Problem type   : remote
Debian-specific: no

The BIND, a DNS server, contains a defect related to the processing of
new DNSSEC DS records by the caching resolver, which may lead to name
resolution failures in the delegated zone.  If DNSSEC validation is
enabled, this issue can make domains ending in .COM unavailable when
the DS record for .COM is added to the DNS root zone on March 31st,
2011.  An unpatched server which is affected by this issue can be
restarted, thus re-enabling resolution of .COM domains. 

Configurations not using DNSSEC validations are not affected by this
usse.

For the oldstable distribution (lenny), this problem has been fixed in
version 1:9.6.ESV.R4+dfsg-0+lenny1.

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: https://www.debian.org/security/

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