bugtraq - [SECURITY] [DSA 1968-1] New pdns-recursor packages fix potential code execution

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Message-ID: <87tyuw9snt.fsf@mid.deneb.enyo.de>
Date: Fri, 08 Jan 2010 22:46:14 +0100
From: Florian Weimer <fw@...eb.enyo.de>
To: bugtraq@...urityfocus.com
Subject: [SECURITY] [DSA 1968-1] New pdns-recursor packages fix potential code execution

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- ------------------------------------------------------------------------
Debian Security Advisory DSA-1968-1                  security@...ian.org
http://www.debian.org/security/                           Florian Weimer
January 08, 2010                      http://www.debian.org/security/faq
- ------------------------------------------------------------------------

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
- --------------------

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
- --------------------------------

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.

- ---------------------------------------------------------------------------------
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@...ts.debian.org
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>
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