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Red Hat Enterprise Linux RHSA-2009-1116-01 Critical cyrus-imapd DoS

Redhat Large Esm H500
Updated cyrus-imapd packages that fix a security issue are now available for Red Hat Enterprise Linux 4 and 5. This update has been rated as having important security impact by the Red Hat Security Response Team.
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====================================================================                   Red Hat Security Advisory

Synopsis:          Important: cyrus-imapd security update
Advisory ID:       RHSA-2009:1116-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2009:1116.html
Issue date:        2009-06-18
CVE Names:         CVE-2009-0688 
====================================================================
1. Summary:

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

This update has been rated as having important security impact by the Red
Hat Security Response Team.

2. Relevant releases/architectures:

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 WS version 4 - i386, ia64, x86_64
RHEL Desktop Workstation (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64

3. Description:

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

It was discovered that the Cyrus SASL library (cyrus-sasl) does not always
reliably terminate output from the sasl_encode64() function used by
programs using this library. The Cyrus IMAP server (cyrus-imapd) relied on
this function's output being properly terminated. Under certain conditions,
improperly terminated output from sasl_encode64() could, potentially, cause
cyrus-imapd to crash, disclose portions of its memory, or lead to SASL
authentication failures. (CVE-2009-0688)

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

4. Solution:

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

This update is available via Red Hat Network.  Details on how to use
the Red Hat Network to apply this update are available at

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

504207 - CVE-2009-0688 cyrus-imapd uses sasl_encode64() improperly

6. Package List:

Red Hat Enterprise Linux AS version 4:

Source:

i386:
cyrus-imapd-2.2.12-10.el4_8.1.i386.rpm
cyrus-imapd-debuginfo-2.2.12-10.el4_8.1.i386.rpm
cyrus-imapd-devel-2.2.12-10.el4_8.1.i386.rpm
cyrus-imapd-murder-2.2.12-10.el4_8.1.i386.rpm
cyrus-imapd-nntp-2.2.12-10.el4_8.1.i386.rpm
cyrus-imapd-utils-2.2.12-10.el4_8.1.i386.rpm
perl-Cyrus-2.2.12-10.el4_8.1.i386.rpm

ia64:
cyrus-imapd-2.2.12-10.el4_8.1.ia64.rpm
cyrus-imapd-debuginfo-2.2.12-10.el4_8.1.ia64.rpm
cyrus-imapd-devel-2.2.12-10.el4_8.1.ia64.rpm
cyrus-imapd-murder-2.2.12-10.el4_8.1.ia64.rpm
cyrus-imapd-nntp-2.2.12-10.el4_8.1.ia64.rpm
cyrus-imapd-utils-2.2.12-10.el4_8.1.ia64.rpm
perl-Cyrus-2.2.12-10.el4_8.1.ia64.rpm

ppc:
cyrus-imapd-2.2.12-10.el4_8.1.ppc.rpm
cyrus-imapd-debuginfo-2.2.12-10.el4_8.1.ppc.rpm
cyrus-imapd-devel-2.2.12-10.el4_8.1.ppc.rpm
cyrus-imapd-murder-2.2.12-10.el4_8.1.ppc.rpm
cyrus-imapd-nntp-2.2.12-10.el4_8.1.ppc.rpm
cyrus-imapd-utils-2.2.12-10.el4_8.1.ppc.rpm
perl-Cyrus-2.2.12-10.el4_8.1.ppc.rpm

s390:
cyrus-imapd-2.2.12-10.el4_8.1.s390.rpm
cyrus-imapd-debuginfo-2.2.12-10.el4_8.1.s390.rpm
cyrus-imapd-devel-2.2.12-10.el4_8.1.s390.rpm
cyrus-imapd-murder-2.2.12-10.el4_8.1.s390.rpm
cyrus-imapd-nntp-2.2.12-10.el4_8.1.s390.rpm
cyrus-imapd-utils-2.2.12-10.el4_8.1.s390.rpm
perl-Cyrus-2.2.12-10.el4_8.1.s390.rpm

s390x:
cyrus-imapd-2.2.12-10.el4_8.1.s390x.rpm
cyrus-imapd-debuginfo-2.2.12-10.el4_8.1.s390x.rpm
cyrus-imapd-devel-2.2.12-10.el4_8.1.s390x.rpm
cyrus-imapd-murder-2.2.12-10.el4_8.1.s390x.rpm
cyrus-imapd-nntp-2.2.12-10.el4_8.1.s390x.rpm
cyrus-imapd-utils-2.2.12-10.el4_8.1.s390x.rpm
perl-Cyrus-2.2.12-10.el4_8.1.s390x.rpm

x86_64:
cyrus-imapd-2.2.12-10.el4_8.1.x86_64.rpm
cyrus-imapd-debuginfo-2.2.12-10.el4_8.1.x86_64.rpm
cyrus-imapd-devel-2.2.12-10.el4_8.1.x86_64.rpm
cyrus-imapd-murder-2.2.12-10.el4_8.1.x86_64.rpm
cyrus-imapd-nntp-2.2.12-10.el4_8.1.x86_64.rpm
cyrus-imapd-utils-2.2.12-10.el4_8.1.x86_64.rpm
perl-Cyrus-2.2.12-10.el4_8.1.x86_64.rpm

Red Hat Enterprise Linux Desktop version 4:

Source:

i386:
cyrus-imapd-2.2.12-10.el4_8.1.i386.rpm
cyrus-imapd-debuginfo-2.2.12-10.el4_8.1.i386.rpm
cyrus-imapd-devel-2.2.12-10.el4_8.1.i386.rpm
cyrus-imapd-murder-2.2.12-10.el4_8.1.i386.rpm
cyrus-imapd-nntp-2.2.12-10.el4_8.1.i386.rpm
cyrus-imapd-utils-2.2.12-10.el4_8.1.i386.rpm
perl-Cyrus-2.2.12-10.el4_8.1.i386.rpm

x86_64:
cyrus-imapd-2.2.12-10.el4_8.1.x86_64.rpm
cyrus-imapd-debuginfo-2.2.12-10.el4_8.1.x86_64.rpm
cyrus-imapd-devel-2.2.12-10.el4_8.1.x86_64.rpm
cyrus-imapd-murder-2.2.12-10.el4_8.1.x86_64.rpm
cyrus-imapd-nntp-2.2.12-10.el4_8.1.x86_64.rpm
cyrus-imapd-utils-2.2.12-10.el4_8.1.x86_64.rpm
perl-Cyrus-2.2.12-10.el4_8.1.x86_64.rpm

Red Hat Enterprise Linux ES version 4:

Source:

i386:
cyrus-imapd-2.2.12-10.el4_8.1.i386.rpm
cyrus-imapd-debuginfo-2.2.12-10.el4_8.1.i386.rpm
cyrus-imapd-devel-2.2.12-10.el4_8.1.i386.rpm
cyrus-imapd-murder-2.2.12-10.el4_8.1.i386.rpm
cyrus-imapd-nntp-2.2.12-10.el4_8.1.i386.rpm
cyrus-imapd-utils-2.2.12-10.el4_8.1.i386.rpm
perl-Cyrus-2.2.12-10.el4_8.1.i386.rpm

ia64:
cyrus-imapd-2.2.12-10.el4_8.1.ia64.rpm
cyrus-imapd-debuginfo-2.2.12-10.el4_8.1.ia64.rpm
cyrus-imapd-devel-2.2.12-10.el4_8.1.ia64.rpm
cyrus-imapd-murder-2.2.12-10.el4_8.1.ia64.rpm
cyrus-imapd-nntp-2.2.12-10.el4_8.1.ia64.rpm
cyrus-imapd-utils-2.2.12-10.el4_8.1.ia64.rpm
perl-Cyrus-2.2.12-10.el4_8.1.ia64.rpm

x86_64:
cyrus-imapd-2.2.12-10.el4_8.1.x86_64.rpm
cyrus-imapd-debuginfo-2.2.12-10.el4_8.1.x86_64.rpm
cyrus-imapd-devel-2.2.12-10.el4_8.1.x86_64.rpm
cyrus-imapd-murder-2.2.12-10.el4_8.1.x86_64.rpm
cyrus-imapd-nntp-2.2.12-10.el4_8.1.x86_64.rpm
cyrus-imapd-utils-2.2.12-10.el4_8.1.x86_64.rpm
perl-Cyrus-2.2.12-10.el4_8.1.x86_64.rpm

Red Hat Enterprise Linux WS version 4:

Source:

i386:
cyrus-imapd-2.2.12-10.el4_8.1.i386.rpm
cyrus-imapd-debuginfo-2.2.12-10.el4_8.1.i386.rpm
cyrus-imapd-devel-2.2.12-10.el4_8.1.i386.rpm
cyrus-imapd-murder-2.2.12-10.el4_8.1.i386.rpm
cyrus-imapd-nntp-2.2.12-10.el4_8.1.i386.rpm
cyrus-imapd-utils-2.2.12-10.el4_8.1.i386.rpm
perl-Cyrus-2.2.12-10.el4_8.1.i386.rpm

ia64:
cyrus-imapd-2.2.12-10.el4_8.1.ia64.rpm
cyrus-imapd-debuginfo-2.2.12-10.el4_8.1.ia64.rpm
cyrus-imapd-devel-2.2.12-10.el4_8.1.ia64.rpm
cyrus-imapd-murder-2.2.12-10.el4_8.1.ia64.rpm
cyrus-imapd-nntp-2.2.12-10.el4_8.1.ia64.rpm
cyrus-imapd-utils-2.2.12-10.el4_8.1.ia64.rpm
perl-Cyrus-2.2.12-10.el4_8.1.ia64.rpm

x86_64:
cyrus-imapd-2.2.12-10.el4_8.1.x86_64.rpm
cyrus-imapd-debuginfo-2.2.12-10.el4_8.1.x86_64.rpm
cyrus-imapd-devel-2.2.12-10.el4_8.1.x86_64.rpm
cyrus-imapd-murder-2.2.12-10.el4_8.1.x86_64.rpm
cyrus-imapd-nntp-2.2.12-10.el4_8.1.x86_64.rpm
cyrus-imapd-utils-2.2.12-10.el4_8.1.x86_64.rpm
perl-Cyrus-2.2.12-10.el4_8.1.x86_64.rpm

RHEL Desktop Workstation (v. 5 client):

Source:

i386:
cyrus-imapd-2.3.7-2.el5_3.2.i386.rpm
cyrus-imapd-debuginfo-2.3.7-2.el5_3.2.i386.rpm
cyrus-imapd-devel-2.3.7-2.el5_3.2.i386.rpm
cyrus-imapd-perl-2.3.7-2.el5_3.2.i386.rpm
cyrus-imapd-utils-2.3.7-2.el5_3.2.i386.rpm

x86_64:
cyrus-imapd-2.3.7-2.el5_3.2.x86_64.rpm
cyrus-imapd-debuginfo-2.3.7-2.el5_3.2.i386.rpm
cyrus-imapd-debuginfo-2.3.7-2.el5_3.2.x86_64.rpm
cyrus-imapd-devel-2.3.7-2.el5_3.2.i386.rpm
cyrus-imapd-devel-2.3.7-2.el5_3.2.x86_64.rpm
cyrus-imapd-perl-2.3.7-2.el5_3.2.x86_64.rpm
cyrus-imapd-utils-2.3.7-2.el5_3.2.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

Source:

i386:
cyrus-imapd-2.3.7-2.el5_3.2.i386.rpm
cyrus-imapd-debuginfo-2.3.7-2.el5_3.2.i386.rpm
cyrus-imapd-devel-2.3.7-2.el5_3.2.i386.rpm
cyrus-imapd-perl-2.3.7-2.el5_3.2.i386.rpm
cyrus-imapd-utils-2.3.7-2.el5_3.2.i386.rpm

ia64:
cyrus-imapd-2.3.7-2.el5_3.2.ia64.rpm
cyrus-imapd-debuginfo-2.3.7-2.el5_3.2.ia64.rpm
cyrus-imapd-devel-2.3.7-2.el5_3.2.ia64.rpm
cyrus-imapd-perl-2.3.7-2.el5_3.2.ia64.rpm
cyrus-imapd-utils-2.3.7-2.el5_3.2.ia64.rpm

ppc:
cyrus-imapd-2.3.7-2.el5_3.2.ppc.rpm
cyrus-imapd-debuginfo-2.3.7-2.el5_3.2.ppc.rpm
cyrus-imapd-debuginfo-2.3.7-2.el5_3.2.ppc64.rpm
cyrus-imapd-devel-2.3.7-2.el5_3.2.ppc.rpm
cyrus-imapd-devel-2.3.7-2.el5_3.2.ppc64.rpm
cyrus-imapd-perl-2.3.7-2.el5_3.2.ppc.rpm
cyrus-imapd-utils-2.3.7-2.el5_3.2.ppc.rpm

s390x:
cyrus-imapd-2.3.7-2.el5_3.2.s390x.rpm
cyrus-imapd-debuginfo-2.3.7-2.el5_3.2.s390.rpm
cyrus-imapd-debuginfo-2.3.7-2.el5_3.2.s390x.rpm
cyrus-imapd-devel-2.3.7-2.el5_3.2.s390.rpm
cyrus-imapd-devel-2.3.7-2.el5_3.2.s390x.rpm
cyrus-imapd-perl-2.3.7-2.el5_3.2.s390x.rpm
cyrus-imapd-utils-2.3.7-2.el5_3.2.s390x.rpm

x86_64:
cyrus-imapd-2.3.7-2.el5_3.2.x86_64.rpm
cyrus-imapd-debuginfo-2.3.7-2.el5_3.2.i386.rpm
cyrus-imapd-debuginfo-2.3.7-2.el5_3.2.x86_64.rpm
cyrus-imapd-devel-2.3.7-2.el5_3.2.i386.rpm
cyrus-imapd-devel-2.3.7-2.el5_3.2.x86_64.rpm
cyrus-imapd-perl-2.3.7-2.el5_3.2.x86_64.rpm
cyrus-imapd-utils-2.3.7-2.el5_3.2.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.cve.org/CVERecord?id=CVE-2009-0688
https://access.redhat.com/security/updates/classification#important

8. Contact:

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

Copyright 2009 Red Hat, Inc.
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Red Hat Enterprise Linux RHSA-2009-1116-01 Critical cyrus-imapd DoS

red hat
Calendar Grey June 18, 2009
Dist Redhat Esm H88
Significant vulnerabilities in cyrus-imapd affecting Red Hat systems have been mitigated through a vital update for all clientele.
Updated cyrus-imapd packages that fix a security issue are now available for Red Hat Enterprise Linux 4 and 5

Solution

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

This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at

Summary

The cyrus-imapd packages contain a high-performance mail server with IMAP, POP3, NNTP, and SIEVE support.
It was discovered that the Cyrus SASL library (cyrus-sasl) does not always reliably terminate output from the sasl_encode64() function used by programs using this library. The Cyrus IMAP server (cyrus-imapd) relied on this function's output being properly terminated. Under certain conditions, improperly terminated output from sasl_encode64() could, potentially, cause cyrus-imapd to crash, disclose portions of its memory, or lead to SASL authentication failures. (CVE-2009-0688)
Users of cyrus-imapd are advised to upgrade to these updated packages, which resolve this issue. After installing the update, cyrus-imapd will be restarted automatically.

References

https://www.cve.org/CVERecord?id=CVE-2009-0688 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux AS version 4:
Source:
i386: cyrus-imapd-2.2.12-10.el4_8.1.i386.rpm cyrus-imapd-debuginfo-2.2.12-10.el4_8.1.i386.rpm cyrus-imapd-devel-2.2.12-10.el4_8.1.i386.rpm cyrus-imapd-murder-2.2.12-10.el4_8.1.i386.rpm cyrus-imapd-nntp-2.2.12-10.el4_8.1.i386.rpm cyrus-imapd-utils-2.2.12-10.el4_8.1.i386.rpm perl-Cyrus-2.2.12-10.el4_8.1.i386.rpm
ia64: cyrus-imapd-2.2.12-10.el4_8.1.ia64.rpm cyrus-imapd-debuginfo-2.2.12-10.el4_8.1.ia64.rpm cyrus-imapd-devel-2.2.12-10.el4_8.1.ia64.rpm cyrus-imapd-murder-2.2.12-10.el4_8.1.ia64.rpm cyrus-imapd-nntp-2.2.12-10.el4_8.1.ia64.rpm cyrus-imapd-utils-2.2.12-10.el4_8.1.ia64.rpm perl-Cyrus-2.2.12-10.el4_8.1.ia64.rpm
ppc: cyrus-imapd-2.2.12-10.el4_8.1.ppc.rpm cyrus-imapd-debuginfo-2.2.12-10.el4_8.1.ppc.rpm cyrus-imapd-devel-2.2.12-10.el4_8.1.ppc.rpm cyrus-imapd-murder-2.2.12-10.el4_8.1.ppc.rpm cyrus-imapd-nntp-2.2.12-10.el4_8.1.ppc.rpm cyrus-imapd-utils-2.2.12-10.el4_8.1.ppc.rpm perl-Cyrus-2.2.12-10.el4_8.1.ppc.rpm
s390: cyrus-imapd-2.2.12-10.el4_8.1.s390.rpm cyrus-imapd-debuginfo-2.2.12-10.el4_8.1.s390.rpm cyrus-imapd-devel-2.2.12-10.el4_8.1.s390.rpm cyrus-imapd-murder-2.2.12-10.el4_8.1.s390.rpm cyrus-imapd-nntp-2.2.12-10.el4_8.1.s390.rpm cyrus-imapd-utils-2.2.12-10.el4_8.1.s390.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2009:1116-01
Product: Red Hat Enterprise Linux
Issue date: 2009-06-18

Topic

Updated cyrus-imapd packages that fix a security issue are now availablefor Red Hat Enterprise Linux 4 and 5.This update has been rated as having important security impact by the RedHat Security Response Team.

Relevant Releases Architectures

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 WS version 4 - i386, ia64, x86_64

RHEL Desktop Workstation (v. 5 client) - i386, x86_64

Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64

Bugs Fixed

504207 - CVE-2009-0688 cyrus-imapd uses sasl_encode64() improperly

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