-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - ------------------------------------------------------------------------- Debian Security Advisory DSA-2208-1 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 - ------------------------------------------------------------------------- Package : bind9 Vulnerability : denial of service Problem type : remote Debian-specific: no CVE ID : CVE-2011-0414 It was discovered that BIND, a DNS server, contains a race condition when processing zones updates in an authoritative server, either through dynamic DNS updates or incremental zone transfer (IXFR). Such an update while processing a query could result in deadlock and denial of service. (CVE-2011-0414) In addition, this security update addresses 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. This workaround applies to the version in oldstable, too. Configurations not using DNSSEC validations are not affected by this second issue. For the oldstable distribution (lenny), the DS record issue will be fixed soon. (CVE-2011-0414 does not affect the lenny version.) For the stable distribution (squeeze), this problem has been fixed in version 1:9.7.3.dfsg-1~squeeze1. For the testing distribution (wheezy) and the unstable distribution (sid), this problem has been fixed in version 1:9.7.3.dfsg-1. 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/ Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.
Debian: DSA-2208-1: bind9 security update
It was discovered that BIND, a DNS server, contains a race condition when processing zones updates in an authoritative server, either through dynamic DNS updates or incremental zone transfer (IXFR). Such an update while processing a query could result in deadlock and denial
