[RedHat] Schwachstelle im Paket cyrus-impad - RHSA-2009:1116-01

19.06.2009 10:59

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Liebe Kolleginnen und Kollegen,

soeben erreichte uns nachfolgendes RedHat Security Advisory. Wir geben
diese Informationen unveraendert an Sie weiter.


Cyrus SASL ist eine Bibliothek die Funktionen zur Authentifizierung
bereitstellt und von Mandriva Linux verwendet wird.


CVE-2009-0688 - Buffer Overflow in der Cyrus SASL Funktion
sasl_encode64()

Die Funktion sasl_encode64() im Cyrus SASL filtert Benutzereingaben
unzureichend bevor diese in Pufferspeicher uebertragen werden.
Hierdurch ist ein Buffer Overflow moeglich. Ein entfernter Angreifer
kann diese Schwachstelle ausnutzen, um beliebige Befehle mit den
Rechten der Anwendung welche die Funktion aufrief zur Ausfuehrung zu
bringen.

Betroffen sind die folgenden Software Pakete und Plattformen:

Paket cyrus-imapd

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

Vom Hersteller werden ueberarbeitete Pakete zur Verfuegung gestellt.

Hersteller Advisory:
https://rhn.redhat.com/errata/RHSA-2009-1116.html


(c) der deutschen Zusammenfassung bei DFN-CERT Services GmbH; die
Verbreitung, auch auszugsweise, ist nur unter Hinweis auf den Urheber,
DFN-CERT Services GmbH, und nur zu nicht kommerziellen Zwecken
gestattet.

Mit freundlichen Gruessen,
Klaus Moeller, DFN-CERT

- --
Dipl. Inform. Klaus Moeller (Incident Response Team)
Phone: +49 40 808077-555, Fax: +49 40 808077-556

DFN-CERT Services GmbH, https://www.dfn-cert.de, Phone +49 40 808077-555
Sitz / Register: Hamburg, AG Hamburg, HRB 88805, Ust-IdNr.: DE 232129737
Sachsenstrase 5, 20097 Hamburg/Germany, CEO: Dr. Klaus-Peter Kossakowski

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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://rhn.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
http://kbase.redhat.com/faq/docs/DOC-11259

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:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/cyrus-imapd-2.2.12-10.el4_8.1.src.rpm

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:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/cyrus-imapd-2.2.12-10.el4_8.1.src.rpm

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:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/cyrus-imapd-2.2.12-10.el4_8.1.src.rpm

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:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/cyrus-imapd-2.2.12-10.el4_8.1.src.rpm

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:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/cyrus-imapd-2.3.7-2.el5_3.2.src.rpm

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:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/cyrus-imapd-2.3.7-2.el5_3.2.src.rpm

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://www.redhat.com/security/team/key/#package

7. References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0688
http://www.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2009 Red Hat, Inc.
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