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[SECURITY] [DSA 2318-1] cyrus-imapd-2.2 security update
From: Nico Golde <nico () ngolde de>
Date: Fri, 7 Oct 2011 01:49:01 +0200

Hash: SHA1

- --------------------------------------------------------------------------
Debian Security Advisory DSA-2318-1                    security () debian org
http://www.debian.org/security/                                 Nico Golde
Oct 6, 2011                             http://www.debian.org/security/faq
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Package        : cyrus-imapd-2.2
Vulnerability  : multiple
Problem type   : remote
Debian-specific: no
Debian bug     : none
CVE IDs        : CVE-2011-3372 CVE-2011-3208

Multiple security issues have been discovered in cyrus-imapd, a highly scalable
mail system designed for use in enterprise environments.  The Common
Vulnerabilities and Exposures project identifies the following problems:


    Coverity discovered a stack-based buffer overflow in the NNTP server
    implementation (nttpd) of cyrus-imapd.  An attacker can exploit this
    flaw via several crafted NNTP commands to execute arbitrary code.


    Stefan Cornelius of Secunia Research discovered that the command processing
    of the NNTP server implementation (nttpd) of cyrus-imapd is not properly
    implementing access restrictions for certain commands and is not checking
    for a complete, successful authentication.  An attacker can use this flaw
    to bypass access restrictions for some commands and, e.g. exploit
    CVE-2011-3208 without proper authentication.

For the oldstable distribution (lenny), this problem has been fixed in
version 2.2_2.2.13-14+lenny5.

For the stable distribution (squeeze), this problem has been fixed in
version 2.2_2.2.13-19+squeeze2.

For the testing distribution (wheezy), this problem will be fixed soon.

For the unstable distribution (sid), this problem has been fixed in
cyrus-imapd-2.4 version 2.4.12-1.

We recommend that you upgrade your cyrus-imapd-2.2 packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/

Mailing list: debian-security-announce () lists debian org
Version: GnuPG v1.4.11 (GNU/Linux)


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