Debian: New pdns-recursor packages fix cache poisoning vulnerability
Summary
- ----------------------------------------------------------------------Debian Security Advisory DSA-1544-1 security@debian.org http://www.debian.org/security/ Florian Weimer April 09, 2008 http://www.debian.org/security/faq - ----------------------------------------------------------------------Package : pdns-recursor Vulnerability : design flaw Problem type : remote Debian-specific: no CVE Id(s) : CVE-2008-1637 Amit Klein discovered that pdns-recursor, a caching DNS resolver, uses a weak random number generator to create DNS transaction IDs and UDP source port numbers. As a result, cache poisoning attacks were simplified. (CVE-2008-1637) For the stable distribution (etch), these problems have been fixed in version 3.1.4-1+etch1. For the unstable distribution (sid), these problems have been fixed in version 3.1.5-1. 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 4.0 alias etch - -------------------------------Source archives: Size/MD5 checksum: 1198 e2afc6418e2640188aed92a15d852842 Size/MD5 checksum: 171270 e35d774e3282285a59a7f8038a036b61 Size/MD5 checksum: 34268 21442fd6cb034c874ae2c353d1bcd968 alpha architecture (DEC Alpha) Size/MD5 checksum: 499010 6dd67b8950e778d9d2fd35114f5fc8f7 amd64 architecture (AMD x86_64 (AMD64)) Size/MD5 checksum: 418316 ef549047ec6885aa2f1b908442822c5f i386 architecture (Intel ia32) Size/MD5 checksum: 433732 dd69d1d790baa0637d42252196efa646 ia64 architecture (Intel ia64) Size/MD5 checksum: 598084 6ea10a12ccdcca4bd7c8975dbdd84da0 powerpc architecture (PowerPC) Size/MD5 checksum: 434082 74ac592edef429defa9236fb4773e065 s390 architecture (IBM S/390) Size/MD5 checksum: 408786 6abd81fab60ae0f87b97d7ccaa1b098c 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: dists/stable/updates/main Mailing list: debian-security-announce@lists.debian.org