Debian Security Advisory DSA 2244-1 (bind9)

Published: 2011-08-03 02:36:20
CVE Author: NIST National Vulnerability Database (NVD)

CVSS Base Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P

Technical Details:
It was discovered that BIND, an implementation of the DNS protocol, does not correctly process certain large RRSIG record sets in DNSSEC responses. The resulting assertion failure causes the name server process to crash, making name resolution unavailable. (CVE-2011-1910) In addition, this update fixes handling of certain signed/unsigned zone combinations when a DLV service is used. Previously, data from certain affected zones could become unavailable from the resolver. For the oldstable distribution (lenny), this problem has been fixed in version 1:9.6.ESV.R4+dfsg-0+lenny2. For the stable distribution (squeeze), this problem has been fixed in version 1:9.7.3.dfsg-1~squeeze2. The testing distribution (wheezy) and the unstable distribution (sid) will be fixed soon.

Recommendations:
We recommend that you upgrade your bind9 Linux Distribution Packages.

Summary:
The remote host is missing an update to bind9 announced via advisory DSA 2244-1.

Detection Type:
Linux Distribution Package

Solution Type:
Vendor Patch

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2011-1910

References:

https://secure1.securityspace.com/smysecure/catid.html?in=DSA%202244-1

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Severity
Medium
CVSS Score
5.0

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