DSA 1968-1: New pdns-recursor packages fix potential code execution

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Debian Security Advisory DSA-1968-1 security@debian.org
http://www.debian.org/security/ Florian Weimer
January 08, 2010 http://www.debian.org/security/faq
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Package : pdns-recursor
Vulnerability : several
Problem type : remote
Debian-specific: no
CVE Id(s) : CVE-2009-4009 CVE-2009-4010

It was discovered that pdns-recursor, the PowerDNS recursive name
server, contains several vulnerabilities:

A buffer overflow can be exploited to crash the daemon, or potentially
execute arbitrary code (CVE-2009-4009).

A cache poisoning vulnerability may allow attackers to trick the
server into serving incorrect DNS data (CVE-2009-4010).

For the old stable distribution (etch), fixed packages will be
provided soon.

For the stable distribution (lenny), these problems have been fixed in
version 3.1.7-1+lenny1.

For the unstable distribution (sid), these problems have been fixed in
version 3.1.7.2-1.

We recommend that you upgrade your pdns-recursor package.

Upgrade instructions
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wget url
will fetch the file for you
dpkg -i file.deb
will install the referenced file.

If you are using the apt-get package manager, use the line for
sources.list as given below:

apt-get update
will update the internal database
apt-get upgrade
will install corrected packages

You may use an automated update by adding the resources from the
footer to the proper configuration.


Debian GNU/Linux 5.0 alias lenny
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Source archives:

http://security.debian.org/pool/updates/main/p/pdns-recursor/pdns-recursor_3.1.7.orig.tar.gz
Size/MD5 checksum: 211760 38c58fef666685d6756da97baf9b4d51
http://security.debian.org/pool/updates/main/p/pdns-recursor/pdns-recursor_3.1.7-1+lenny1.dsc
Size/MD5 checksum: 1654 fff9beb43eec355ca42d93d53c1ce299
http://security.debian.org/pool/updates/main/p/pdns-recursor/pdns-recursor_3.1.7-1+lenny1.diff.gz
Size/MD5 checksum: 14769 8794fecd11f1b014592e2a36d40aaaf6

alpha architecture (DEC Alpha)

http://security.debian.org/pool/updates/main/p/pdns-recursor/pdns-recursor_3.1.7-1+lenny1_alpha.deb
Size/MD5 checksum: 545726 dc05fab76c0fcb051b9a428cfa126061

amd64 architecture (AMD x86_64 (AMD64))

http://security.debian.org/pool/updates/main/p/pdns-recursor/pdns-recursor_3.1.7-1+lenny1_amd64.deb
Size/MD5 checksum: 440822 365fc4da2fd1770f8e62f1a3a0046231

i386 architecture (Intel ia32)

http://security.debian.org/pool/updates/main/p/pdns-recursor/pdns-recursor_3.1.7-1+lenny1_i386.deb
Size/MD5 checksum: 440686 ac26d27658892619ce539921796bce67

ia64 architecture (Intel ia64)

http://security.debian.org/pool/updates/main/p/pdns-recursor/pdns-recursor_3.1.7-1+lenny1_ia64.deb
Size/MD5 checksum: 631308 f80c2d28ee6d9ebdbf6cad177c8fbddd

powerpc architecture (PowerPC)

http://security.debian.org/pool/updates/main/p/pdns-recursor/pdns-recursor_3.1.7-1+lenny1_powerpc.deb
Size/MD5 checksum: 463434 f0bba833d4231bb2237433373e888a12

s390 architecture (IBM S/390)

http://security.debian.org/pool/updates/main/p/pdns-recursor/pdns-recursor_3.1.7-1+lenny1_s390.deb
Size/MD5 checksum: 428138 994a5190fa0f73b49252bee0a695fb4d


These files will probably be moved into the stable distribution on
its next update.

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For apt-get: deb http://security.debian.org/ stable/updates main
For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main
Mailing list: debian-security-announce@lists.debian.org
Package info: `apt-cache show lt;pkggt;' and http://packages.debian.org/lt;pkggt;
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