Test Kennung:	1.3.6.1.4.1.25623.1.0.69418
Kategorie:	Debian Local Security Checks
Titel:	Debian Security Advisory DSA 2208-1 (bind9)
Zusammenfassung:	The remote host is missing an update to bind9;announced via advisory DSA 2208-1.
Beschreibung:	Summary: The remote host is missing an update to bind9 announced via advisory DSA 2208-1. Vulnerability Insight: 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. Solution: We recommend that you upgrade your bind9 packages. CVSS Score: 7.1 CVSS Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C
Querverweis:	Common Vulnerability Exposure (CVE) ID: CVE-2011-0414 CERT/CC vulnerability note: VU#449980 http://www.kb.cert.org/vuls/id/449980 CERT/CC vulnerability note: VU#559980 http://www.kb.cert.org/vuls/id/559980 Debian Security Information: DSA-2208 (Google Search) http://www.debian.org/security/2011/dsa-2208 http://www.securitytracker.com/id?1025110 http://secunia.com/advisories/43439 http://secunia.com/advisories/43443 SuSE Security Announcement: SUSE-SR:2011:005 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html http://www.ubuntu.com/usn/USN-1070-1 http://www.vupen.com/english/advisories/2011/0466 http://www.vupen.com/english/advisories/2011/0489
Copyright	Copyright (c) 2011 E-Soft Inc. http://www.securityspace.com

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