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Debian Security Advisory DSA 1961-1 (bind9)

Information

Severity

Severity

Low

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

2.6

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:H/Au:N/C:N/I:P/A:N

Solution Type

Solution Type

Vendor Patch

Created

Created

14 years ago

Modified

Modified

6 years ago

Summary

The remote host is missing an update to bind9 announced via advisory DSA 1961-1.

Insight

Insight

Michael Sinatra discovered that the DNS resolver component in BIND does not properly check DNS records contained in additional sections of DNS responses, leading to a cache poisoning vulnerability. This vulnerability is only present in resolvers which have been configured with DNSSEC trust anchors, which is still rare. Note that this update contains an internal ABI change, which means that all BIND-related packages (bind9, dnsutils and the library packages) must be updated at the same time (preferably using apt-get update and apt-get upgrade). In the unlikely event that you have compiled your own software against libdns, you must recompile this programs, too. For the old stable distribution (etch), this problem has been fixed in version 9.3.4-2etch6. For the stable distribution (lenny), this problem has been fixed in version 9.5.1.dfsg.P3-1+lenny1. For the unstable distribution (sid) and the testing distribution (squeeze), this problem has been fixed in version 9.6.1.dfsg.P2-1. We recommend that you upgrade your bind9 packages.

Solution

Solution

https://secure1.securityspace.com/smysecure/catid.html?in=DSA%201961-1

Common Vulnerabilities and Exposures (CVE)