__________________________________________________________
The U.S. Department of Energy
Computer Incident Advisory Capability
___ __ __ _ ___
/ | /_\ /
\___ __|__ / \ \___
__________________________________________________________
INFORMATION BULLETIN
postfix-policy Vulnerability
[Debian Security Advisory DSA-1361-1]
August 31, 2007 14:00 GMT Number R-338
______________________________________________________________________________
PROBLEM: Postfix-policyd, an anti-spam plugin for postfix, does not
correctly bounds-test incomint SMTP commands potentially
allowing the remote exploitation of arbitrary code.
PLATFORM: Debian GNU/Linux 4.0 alias etch
DAMAGE: Potentially allowing the remote exploitation of arbitrary code.
SOLUTION: Upgrade to the appropriate version.
______________________________________________________________________________
VULNERABILITY The risk is MEDIUM. Potentially allowing the remote
ASSESSMENT: exploitation of arbitrary code.
______________________________________________________________________________
LINKS:
CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/r-338.shtml
ORIGINAL BULLETIN: http://www.debian.org/security/2007/dsa-1361
CVE: http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=
CVE-2007-3791
______________________________________________________________________________
[***** Start Debian Security Advisory DSA-1361-1 *****]
Debian Security Advisory
DSA-1361-1 postfix-policyd -- buffer overflow
Date Reported:
29 Aug 2007
Affected Packages:
postfix-policyd
Vulnerable:
Yes
Security database references:
In Mitre's CVE dictionary: CVE-2007-3791.
More information:
It was discovered that postfix-policyd, an anti-spam plugin for postfix, didn't
correctly bounds-test incoming SMTP commands potentially allowing the remote
exploitation of arbitrary code.
For the stable distribution (etch), this problem has been fixed in version 1.80-2.1etch1.
For the old stable distribution (sarge), this package was not present.
For the unstable distribution (sid), this problem was fixed in version 1.80-2.2.
We recommend that you upgrade your postfix-policyd package.
Fixed in:
Debian GNU/Linux 4.0 alias etch
Source:
http://security.debian.org/pool/updates/main/p/postfix-policyd/postfix-policyd_1.80-2.1etch1.diff.gz
http://security.debian.org/pool/updates/main/p/postfix-policyd/postfix-policyd_1.80-2.1etch1.dsc
http://security.debian.org/pool/updates/main/p/postfix-policyd/postfix-policyd_1.80.orig.tar.gz
alpha architecture (DEC Alpha)
http://security.debian.org/pool/updates/main/p/postfix-policyd/postfix-policyd_1.80-2.1etch1_alpha.deb
amd64 architecture (AMD x86_64 (AMD64))
http://security.debian.org/pool/updates/main/p/postfix-policyd/postfix-policyd_1.80-2.1etch1_amd64.deb
arm architecture (ARM)
http://security.debian.org/pool/updates/main/p/postfix-policyd/postfix-policyd_1.80-2.1etch1_arm.deb
hppa architecture (HP PA RISC)
http://security.debian.org/pool/updates/main/p/postfix-policyd/postfix-policyd_1.80-2.1etch1_hppa.deb
i386 architecture (Intel ia32)
http://security.debian.org/pool/updates/main/p/postfix-policyd/postfix-policyd_1.80-2.1etch1_i386.deb
ia64 architecture (Intel ia64)
http://security.debian.org/pool/updates/main/p/postfix-policyd/postfix-policyd_1.80-2.1etch1_ia64.deb
mips architecture (MIPS (Big Endian))
http://security.debian.org/pool/updates/main/p/postfix-policyd/postfix-policyd_1.80-2.1etch1_mips.deb
mipsel architecture (MIPS (Little Endian))
http://security.debian.org/pool/updates/main/p/postfix-policyd/postfix-policyd_1.80-2.1etch1_mipsel.deb
s390 architecture (IBM S/390)
http://security.debian.org/pool/updates/main/p/postfix-policyd/postfix-policyd_1.80-2.1etch1_s390.deb
sparc architecture (Sun SPARC/UltraSPARC)
http://security.debian.org/pool/updates/main/p/postfix-policyd/postfix-policyd_1.80-2.1etch1_sparc.deb
MD5 checksums of the listed files are available in the original advisory.
[***** End Debian Security Advisory DSA-1361-1 *****]
_______________________________________________________________________________
CIAC wishes to acknowledge the contributions of Debian for the
information contained in this bulletin.
_______________________________________________________________________________
CIAC, the Computer Incident Advisory Capability, is the computer
security incident response team for the U.S. Department of Energy
(DOE) and the emergency backup response team for the National
Institutes of Health (NIH). CIAC is located at the Lawrence Livermore
National Laboratory in Livermore, California. CIAC is also a founding
member of FIRST, the Forum of Incident Response and Security Teams, a
global organization established to foster cooperation and coordination
among computer security teams worldwide.
CIAC services are available to DOE, DOE contractors, and the NIH. CIAC
can be contacted at:
Voice: +1 925-422-8193 (7x24)
FAX: +1 925-423-8002
STU-III: +1 925-423-2604
E-mail: ciac@ciac.org
Previous CIAC notices, anti-virus software, and other information are
available from the CIAC Computer Security Archive.
World Wide Web: http://www.ciac.org/
Anonymous FTP: ftp.ciac.org
PLEASE NOTE: Many users outside of the DOE, ESnet, and NIH computing
communities receive CIAC bulletins. If you are not part of these
communities, please contact your agency's response team to report
incidents. Your agency's team will coordinate with CIAC. The Forum of
Incident Response and Security Teams (FIRST) is a world-wide
organization. A list of FIRST member organizations and their
constituencies can be obtained via WWW at http://www.first.org/.
This document was prepared as an account of work sponsored by an
agency of the United States Government. Neither the United States
Government nor the University of California nor any of their
employees, makes any warranty, express or implied, or assumes any
legal liability or responsibility for the accuracy, completeness, or
usefulness of any information, apparatus, product, or process
disclosed, or represents that its use would not infringe privately
owned rights. Reference herein to any specific commercial products,
process, or service by trade name, trademark, manufacturer, or
otherwise, does not necessarily constitute or imply its endorsement,
recommendation or favoring by the United States Government or the
University of California. The views and opinions of authors expressed
herein do not necessarily state or reflect those of the United States
Government or the University of California, and shall not be used for
advertising or product endorsement purposes.
LAST 10 CIAC BULLETINS ISSUED (Previous bulletins available from CIAC)
R-328: Local Privilege Vulnerabilities in Cisco VPN Client
R-329: Trend Micro ServerProtect Agent Vulnerabilities
R-330: Asterisk Security Vulnerabilities
R-331: HP-UX Running the Ignite-UX or the DynRootDisk (DRD) get_system_info Command
R-332: MSN Messenger and Windows Live Messenger Webcam Vulnerability
R-333: BIND Version 8 Vulnerable
R-334: Oracle JInitiator Vulnerabilities
R-335: rsync Vulnerability
R-336: XSS and SQL Injection in Cisco CallManager/Unified Communications Manager Logon Page Vulnerabilities
R-337: HP OpenView Performance Manager (OVPM) Vulnerability