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Category:   Application (E-mail Server)  >   Cyrus IMAP Server Vendors:   Carnegie Mellon University
(Red Hat Issues Fix) Cyrus IMAP Server Buffer Overflow in NNTP Daemon Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1026069
SecurityTracker URL:  http://securitytracker.com/id/1026069
CVE Reference:   CVE-2011-3208   (Links to External Site)
Date:  Sep 19 2011
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2.3 prior to 2.3.17, 2.4 prior to 2.4.11
Description:   A vulnerability was reported in Cyrus IMAP Server. A remote user can execute arbitrary code on the target system.

A remote user can send specially crafted data to trigger a buffer overflow in the NNTP daemon and execute arbitrary code on the target system. The code will run with the privileges of the target service.

Impact:   A remote user can execute arbitrary code on the target system.
Solution:   Red Hat has issued a fix.

The Red Hat advisory is available at:

https://rhn.redhat.com/errata/RHSA-2011-1317.html

Vendor URL:  www.cyrusimap.org/ (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Red Hat Enterprise)
Underlying OS Comments:  4, 5, 6

Message History:   This archive entry is a follow-up to the message listed below.
Sep 9 2011 Cyrus IMAP Server Buffer Overflow in NNTP Daemon Lets Remote Users Execute Arbitrary Code



 Source Message Contents

Subject:  [RHSA-2011:1317-01] Important: cyrus-imapd security update

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: cyrus-imapd security update
Advisory ID:       RHSA-2011:1317-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2011-1317.html
Issue date:        2011-09-19
CVE Names:         CVE-2011-3208 
=====================================================================

1. Summary:

Updated cyrus-imapd packages that fix one security issue are now available
for Red Hat Enterprise Linux 4, 5, and 6.

The Red Hat Security Response Team has rated this update as having
important security impact. A Common Vulnerability Scoring System (CVSS)
base score, which gives a detailed severity rating, is available from the
CVE link in the References section.

2. Relevant releases/architectures:

RHEL Desktop Workstation (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64
Red Hat Enterprise Linux AS version 4 - i386, ia64, ppc, s390, s390x, x86_64
Red Hat Enterprise Linux Desktop version 4 - i386, x86_64
Red Hat Enterprise Linux ES version 4 - i386, ia64, x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux WS version 4 - i386, ia64, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64

3. Description:

The cyrus-imapd packages contain a high-performance mail server with IMAP,
POP3, NNTP, and Sieve support.

A buffer overflow flaw was found in the cyrus-imapd NNTP server, nntpd. A
remote user able to use the nntpd service could use this flaw to crash the
nntpd child process or, possibly, execute arbitrary code with the
privileges of the cyrus user. (CVE-2011-3208)

Red Hat would like to thank Greg Banks for reporting this issue.

Users of cyrus-imapd are advised to upgrade to these updated packages,
which contain a backported patch to correct this issue. After installing
the update, cyrus-imapd will be restarted automatically.

4. Solution:

Before applying this update, make sure all previously-released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/kb/docs/DOC-11259

5. Bugs fixed (http://bugzilla.redhat.com/):

734926 - CVE-2011-3208 cyrus-imapd: nntpd buffer overflow in split_wildmats()

6. Package List:

Red Hat Enterprise Linux AS version 4:

Source:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/cyrus-imapd-2.2.12-16.el4.src.rpm

i386:
cyrus-imapd-2.2.12-16.el4.i386.rpm
cyrus-imapd-debuginfo-2.2.12-16.el4.i386.rpm
cyrus-imapd-devel-2.2.12-16.el4.i386.rpm
cyrus-imapd-murder-2.2.12-16.el4.i386.rpm
cyrus-imapd-nntp-2.2.12-16.el4.i386.rpm
cyrus-imapd-utils-2.2.12-16.el4.i386.rpm
perl-Cyrus-2.2.12-16.el4.i386.rpm

ia64:
cyrus-imapd-2.2.12-16.el4.ia64.rpm
cyrus-imapd-debuginfo-2.2.12-16.el4.ia64.rpm
cyrus-imapd-devel-2.2.12-16.el4.ia64.rpm
cyrus-imapd-murder-2.2.12-16.el4.ia64.rpm
cyrus-imapd-nntp-2.2.12-16.el4.ia64.rpm
cyrus-imapd-utils-2.2.12-16.el4.ia64.rpm
perl-Cyrus-2.2.12-16.el4.ia64.rpm

ppc:
cyrus-imapd-2.2.12-16.el4.ppc.rpm
cyrus-imapd-debuginfo-2.2.12-16.el4.ppc.rpm
cyrus-imapd-devel-2.2.12-16.el4.ppc.rpm
cyrus-imapd-murder-2.2.12-16.el4.ppc.rpm
cyrus-imapd-nntp-2.2.12-16.el4.ppc.rpm
cyrus-imapd-utils-2.2.12-16.el4.ppc.rpm
perl-Cyrus-2.2.12-16.el4.ppc.rpm

s390:
cyrus-imapd-2.2.12-16.el4.s390.rpm
cyrus-imapd-debuginfo-2.2.12-16.el4.s390.rpm
cyrus-imapd-devel-2.2.12-16.el4.s390.rpm
cyrus-imapd-murder-2.2.12-16.el4.s390.rpm
cyrus-imapd-nntp-2.2.12-16.el4.s390.rpm
cyrus-imapd-utils-2.2.12-16.el4.s390.rpm
perl-Cyrus-2.2.12-16.el4.s390.rpm

s390x:
cyrus-imapd-2.2.12-16.el4.s390x.rpm
cyrus-imapd-debuginfo-2.2.12-16.el4.s390x.rpm
cyrus-imapd-devel-2.2.12-16.el4.s390x.rpm
cyrus-imapd-murder-2.2.12-16.el4.s390x.rpm
cyrus-imapd-nntp-2.2.12-16.el4.s390x.rpm
cyrus-imapd-utils-2.2.12-16.el4.s390x.rpm
perl-Cyrus-2.2.12-16.el4.s390x.rpm

x86_64:
cyrus-imapd-2.2.12-16.el4.x86_64.rpm
cyrus-imapd-debuginfo-2.2.12-16.el4.x86_64.rpm
cyrus-imapd-devel-2.2.12-16.el4.x86_64.rpm
cyrus-imapd-murder-2.2.12-16.el4.x86_64.rpm
cyrus-imapd-nntp-2.2.12-16.el4.x86_64.rpm
cyrus-imapd-utils-2.2.12-16.el4.x86_64.rpm
perl-Cyrus-2.2.12-16.el4.x86_64.rpm

Red Hat Enterprise Linux Desktop version 4:

Source:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/cyrus-imapd-2.2.12-16.el4.src.rpm

i386:
cyrus-imapd-2.2.12-16.el4.i386.rpm
cyrus-imapd-debuginfo-2.2.12-16.el4.i386.rpm
cyrus-imapd-devel-2.2.12-16.el4.i386.rpm
cyrus-imapd-murder-2.2.12-16.el4.i386.rpm
cyrus-imapd-nntp-2.2.12-16.el4.i386.rpm
cyrus-imapd-utils-2.2.12-16.el4.i386.rpm
perl-Cyrus-2.2.12-16.el4.i386.rpm

x86_64:
cyrus-imapd-2.2.12-16.el4.x86_64.rpm
cyrus-imapd-debuginfo-2.2.12-16.el4.x86_64.rpm
cyrus-imapd-devel-2.2.12-16.el4.x86_64.rpm
cyrus-imapd-murder-2.2.12-16.el4.x86_64.rpm
cyrus-imapd-nntp-2.2.12-16.el4.x86_64.rpm
cyrus-imapd-utils-2.2.12-16.el4.x86_64.rpm
perl-Cyrus-2.2.12-16.el4.x86_64.rpm

Red Hat Enterprise Linux ES version 4:

Source:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/cyrus-imapd-2.2.12-16.el4.src.rpm

i386:
cyrus-imapd-2.2.12-16.el4.i386.rpm
cyrus-imapd-debuginfo-2.2.12-16.el4.i386.rpm
cyrus-imapd-devel-2.2.12-16.el4.i386.rpm
cyrus-imapd-murder-2.2.12-16.el4.i386.rpm
cyrus-imapd-nntp-2.2.12-16.el4.i386.rpm
cyrus-imapd-utils-2.2.12-16.el4.i386.rpm
perl-Cyrus-2.2.12-16.el4.i386.rpm

ia64:
cyrus-imapd-2.2.12-16.el4.ia64.rpm
cyrus-imapd-debuginfo-2.2.12-16.el4.ia64.rpm
cyrus-imapd-devel-2.2.12-16.el4.ia64.rpm
cyrus-imapd-murder-2.2.12-16.el4.ia64.rpm
cyrus-imapd-nntp-2.2.12-16.el4.ia64.rpm
cyrus-imapd-utils-2.2.12-16.el4.ia64.rpm
perl-Cyrus-2.2.12-16.el4.ia64.rpm

x86_64:
cyrus-imapd-2.2.12-16.el4.x86_64.rpm
cyrus-imapd-debuginfo-2.2.12-16.el4.x86_64.rpm
cyrus-imapd-devel-2.2.12-16.el4.x86_64.rpm
cyrus-imapd-murder-2.2.12-16.el4.x86_64.rpm
cyrus-imapd-nntp-2.2.12-16.el4.x86_64.rpm
cyrus-imapd-utils-2.2.12-16.el4.x86_64.rpm
perl-Cyrus-2.2.12-16.el4.x86_64.rpm

Red Hat Enterprise Linux WS version 4:

Source:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/cyrus-imapd-2.2.12-16.el4.src.rpm

i386:
cyrus-imapd-2.2.12-16.el4.i386.rpm
cyrus-imapd-debuginfo-2.2.12-16.el4.i386.rpm
cyrus-imapd-devel-2.2.12-16.el4.i386.rpm
cyrus-imapd-murder-2.2.12-16.el4.i386.rpm
cyrus-imapd-nntp-2.2.12-16.el4.i386.rpm
cyrus-imapd-utils-2.2.12-16.el4.i386.rpm
perl-Cyrus-2.2.12-16.el4.i386.rpm

ia64:
cyrus-imapd-2.2.12-16.el4.ia64.rpm
cyrus-imapd-debuginfo-2.2.12-16.el4.ia64.rpm
cyrus-imapd-devel-2.2.12-16.el4.ia64.rpm
cyrus-imapd-murder-2.2.12-16.el4.ia64.rpm
cyrus-imapd-nntp-2.2.12-16.el4.ia64.rpm
cyrus-imapd-utils-2.2.12-16.el4.ia64.rpm
perl-Cyrus-2.2.12-16.el4.ia64.rpm

x86_64:
cyrus-imapd-2.2.12-16.el4.x86_64.rpm
cyrus-imapd-debuginfo-2.2.12-16.el4.x86_64.rpm
cyrus-imapd-devel-2.2.12-16.el4.x86_64.rpm
cyrus-imapd-murder-2.2.12-16.el4.x86_64.rpm
cyrus-imapd-nntp-2.2.12-16.el4.x86_64.rpm
cyrus-imapd-utils-2.2.12-16.el4.x86_64.rpm
perl-Cyrus-2.2.12-16.el4.x86_64.rpm

RHEL Desktop Workstation (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/cyrus-imapd-2.3.7-12.el5_7.1.src.rpm

i386:
cyrus-imapd-2.3.7-12.el5_7.1.i386.rpm
cyrus-imapd-debuginfo-2.3.7-12.el5_7.1.i386.rpm
cyrus-imapd-devel-2.3.7-12.el5_7.1.i386.rpm
cyrus-imapd-perl-2.3.7-12.el5_7.1.i386.rpm
cyrus-imapd-utils-2.3.7-12.el5_7.1.i386.rpm

x86_64:
cyrus-imapd-2.3.7-12.el5_7.1.x86_64.rpm
cyrus-imapd-debuginfo-2.3.7-12.el5_7.1.i386.rpm
cyrus-imapd-debuginfo-2.3.7-12.el5_7.1.x86_64.rpm
cyrus-imapd-devel-2.3.7-12.el5_7.1.i386.rpm
cyrus-imapd-devel-2.3.7-12.el5_7.1.x86_64.rpm
cyrus-imapd-perl-2.3.7-12.el5_7.1.x86_64.rpm
cyrus-imapd-utils-2.3.7-12.el5_7.1.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/cyrus-imapd-2.3.7-12.el5_7.1.src.rpm

i386:
cyrus-imapd-2.3.7-12.el5_7.1.i386.rpm
cyrus-imapd-debuginfo-2.3.7-12.el5_7.1.i386.rpm
cyrus-imapd-devel-2.3.7-12.el5_7.1.i386.rpm
cyrus-imapd-perl-2.3.7-12.el5_7.1.i386.rpm
cyrus-imapd-utils-2.3.7-12.el5_7.1.i386.rpm

ia64:
cyrus-imapd-2.3.7-12.el5_7.1.ia64.rpm
cyrus-imapd-debuginfo-2.3.7-12.el5_7.1.ia64.rpm
cyrus-imapd-devel-2.3.7-12.el5_7.1.ia64.rpm
cyrus-imapd-perl-2.3.7-12.el5_7.1.ia64.rpm
cyrus-imapd-utils-2.3.7-12.el5_7.1.ia64.rpm

ppc:
cyrus-imapd-2.3.7-12.el5_7.1.ppc.rpm
cyrus-imapd-debuginfo-2.3.7-12.el5_7.1.ppc.rpm
cyrus-imapd-debuginfo-2.3.7-12.el5_7.1.ppc64.rpm
cyrus-imapd-devel-2.3.7-12.el5_7.1.ppc.rpm
cyrus-imapd-devel-2.3.7-12.el5_7.1.ppc64.rpm
cyrus-imapd-perl-2.3.7-12.el5_7.1.ppc.rpm
cyrus-imapd-utils-2.3.7-12.el5_7.1.ppc.rpm

s390x:
cyrus-imapd-2.3.7-12.el5_7.1.s390x.rpm
cyrus-imapd-debuginfo-2.3.7-12.el5_7.1.s390.rpm
cyrus-imapd-debuginfo-2.3.7-12.el5_7.1.s390x.rpm
cyrus-imapd-devel-2.3.7-12.el5_7.1.s390.rpm
cyrus-imapd-devel-2.3.7-12.el5_7.1.s390x.rpm
cyrus-imapd-perl-2.3.7-12.el5_7.1.s390x.rpm
cyrus-imapd-utils-2.3.7-12.el5_7.1.s390x.rpm

x86_64:
cyrus-imapd-2.3.7-12.el5_7.1.x86_64.rpm
cyrus-imapd-debuginfo-2.3.7-12.el5_7.1.i386.rpm
cyrus-imapd-debuginfo-2.3.7-12.el5_7.1.x86_64.rpm
cyrus-imapd-devel-2.3.7-12.el5_7.1.i386.rpm
cyrus-imapd-devel-2.3.7-12.el5_7.1.x86_64.rpm
cyrus-imapd-perl-2.3.7-12.el5_7.1.x86_64.rpm
cyrus-imapd-utils-2.3.7-12.el5_7.1.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/cyrus-imapd-2.3.16-6.el6_1.3.src.rpm

i386:
cyrus-imapd-2.3.16-6.el6_1.3.i686.rpm
cyrus-imapd-debuginfo-2.3.16-6.el6_1.3.i686.rpm
cyrus-imapd-utils-2.3.16-6.el6_1.3.i686.rpm

ppc64:
cyrus-imapd-2.3.16-6.el6_1.3.ppc64.rpm
cyrus-imapd-debuginfo-2.3.16-6.el6_1.3.ppc64.rpm
cyrus-imapd-utils-2.3.16-6.el6_1.3.ppc64.rpm

s390x:
cyrus-imapd-2.3.16-6.el6_1.3.s390x.rpm
cyrus-imapd-debuginfo-2.3.16-6.el6_1.3.s390x.rpm
cyrus-imapd-utils-2.3.16-6.el6_1.3.s390x.rpm

x86_64:
cyrus-imapd-2.3.16-6.el6_1.3.x86_64.rpm
cyrus-imapd-debuginfo-2.3.16-6.el6_1.3.x86_64.rpm
cyrus-imapd-utils-2.3.16-6.el6_1.3.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/cyrus-imapd-2.3.16-6.el6_1.3.src.rpm

i386:
cyrus-imapd-debuginfo-2.3.16-6.el6_1.3.i686.rpm
cyrus-imapd-devel-2.3.16-6.el6_1.3.i686.rpm

ppc64:
cyrus-imapd-debuginfo-2.3.16-6.el6_1.3.ppc.rpm
cyrus-imapd-debuginfo-2.3.16-6.el6_1.3.ppc64.rpm
cyrus-imapd-devel-2.3.16-6.el6_1.3.ppc.rpm
cyrus-imapd-devel-2.3.16-6.el6_1.3.ppc64.rpm

s390x:
cyrus-imapd-debuginfo-2.3.16-6.el6_1.3.s390.rpm
cyrus-imapd-debuginfo-2.3.16-6.el6_1.3.s390x.rpm
cyrus-imapd-devel-2.3.16-6.el6_1.3.s390.rpm
cyrus-imapd-devel-2.3.16-6.el6_1.3.s390x.rpm

x86_64:
cyrus-imapd-debuginfo-2.3.16-6.el6_1.3.i686.rpm
cyrus-imapd-debuginfo-2.3.16-6.el6_1.3.x86_64.rpm
cyrus-imapd-devel-2.3.16-6.el6_1.3.i686.rpm
cyrus-imapd-devel-2.3.16-6.el6_1.3.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/cyrus-imapd-2.3.16-6.el6_1.3.src.rpm

i386:
cyrus-imapd-2.3.16-6.el6_1.3.i686.rpm
cyrus-imapd-debuginfo-2.3.16-6.el6_1.3.i686.rpm
cyrus-imapd-utils-2.3.16-6.el6_1.3.i686.rpm

x86_64:
cyrus-imapd-2.3.16-6.el6_1.3.x86_64.rpm
cyrus-imapd-debuginfo-2.3.16-6.el6_1.3.x86_64.rpm
cyrus-imapd-utils-2.3.16-6.el6_1.3.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/cyrus-imapd-2.3.16-6.el6_1.3.src.rpm

i386:
cyrus-imapd-debuginfo-2.3.16-6.el6_1.3.i686.rpm
cyrus-imapd-devel-2.3.16-6.el6_1.3.i686.rpm

x86_64:
cyrus-imapd-debuginfo-2.3.16-6.el6_1.3.i686.rpm
cyrus-imapd-debuginfo-2.3.16-6.el6_1.3.x86_64.rpm
cyrus-imapd-devel-2.3.16-6.el6_1.3.i686.rpm
cyrus-imapd-devel-2.3.16-6.el6_1.3.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and 
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2011-3208.html
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert@redhat.com>.  More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2011 Red Hat, Inc.
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