Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2006.0503 -- [UNIX/Linux][Debian]
New postgrey packages fix denial of service
25 July 2006
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AusCERT Security Bulletin Summary
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Product: postgrey
Publisher: Debian
Operating System: Debian GNU/Linux 3.1
UNIX variants (UNIX, Linux, OSX)
Impact: Execute Arbitrary Code/Commands
Access: Remote/Unauthenticated
CVE Names: CVE-2005-1127
Original Bulletin: http://www.debian.org/security/2006/dsa-1121
Comment: This advisory references vulnerabilities in products which run on
platforms other than Debian. It is recommended that administrators
running postgrey check for an updated version of the software for
their operating system.
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Debian Security Advisory DSA 1121-1 security@debian.org
http://www.debian.org/security/ Martin Schulze
July 24th, 2006 http://www.debian.org/security/faq
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Package : postgrey
Vulnerability : format string
Problem type : remote
Debian-specific: no
CVE ID : CVE-2005-1127
Peter Bieringer discovered that postgrey, an greylisting
implementation for Postfix, is vulnerable to a format string attack
that allows remote attackers to the daemon.
For the stable distribution (sarge) this problem has been fixed in
version 1.21-1sarge1.
For the stable distribution (sarge) this problem has also been fixed
in version 1.21-1volatile4 in the volatile archive.
For the unstable distribution (sid) this problem has been fixed in
version 1.22-1.
We recommend that you upgrade your postgrey 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 at the end of this advisory:
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 3.1 alias sarge
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Source archives:
http://security.debian.org/pool/updates/main/p/postgrey/postgrey_1.21-1sarge1.dsc
Size/MD5 checksum: 628 2a0d8c903c9f47b374a9fa871056b5df
http://security.debian.org/pool/updates/main/p/postgrey/postgrey_1.21-1sarge1.diff.gz
Size/MD5 checksum: 13354 96eefd0e11745edf1cce5fa833d83396
http://security.debian.org/pool/updates/main/p/postgrey/postgrey_1.21.orig.tar.gz
Size/MD5 checksum: 25934 1274e073be5178445e0892a9dcc6fe98
Architecture independent components:
http://security.debian.org/pool/updates/main/p/postgrey/postgrey_1.21-1sarge1_all.deb
Size/MD5 checksum: 41526 43de6a5366b7df928212489a84ec127f
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 <pkg>' and http://packages.debian.org/<pkg>
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===========================================================================
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The University of Queensland
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