[SECURITY] [DSA 2318-1] cyrus-imapd-2.2 security update
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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:
CVE-2011-3208
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.
CVE-2011-3372
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
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