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Sicherheit: Mehrere Probleme in Cyrus IMAP Server
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Cyrus IMAP Server
ID: SUSE-SU-2016:1457-1
Distribution: SUSE
Plattformen: SUSE Linux Enterprise Server 12, SUSE Linux Enterprise Server 12-SP1
Datum: Di, 31. Mai 2016, 23:29
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8076
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8077
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3566
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8078

Originalnachricht

   SUSE Security Update: Security update for cyrus-imapd
______________________________________________________________________________

Announcement ID: SUSE-SU-2016:1457-1
Rating: important
References: #860611 #901748 #954200 #954201 #981670
Cross-References: CVE-2014-3566 CVE-2015-8076 CVE-2015-8077
CVE-2015-8078
Affected Products:
SUSE Linux Enterprise Server 12-SP1
SUSE Linux Enterprise Server 12
______________________________________________________________________________

An update that solves four vulnerabilities and has one
errata is now available.

Description:


- Previous versions of cyrus-imapd would not allow its users to disable
old protocols like SSLv1 and SSLv2 that are unsafe due to various known
attacks like BEAST and POODLE.
https://bugzilla.cyrusimap.org/show_bug.cgi?id=3867 remedies this issue
by adding the configuration option 'tls_versions' to the
imapd.conf
file. Note that users who upgrade existing installation of this package
will *not* have their imapd.conf file overwritten, i.e. their IMAP
server will continue to support SSLv1 and SSLv2 like before. To disable
support for those protocols, it's necessary to edit imapd.conf
manually
to state "tls_versions: tls1_0 tls1_1 tls1_2". New installations,
however, will have an imapd.conf file that contains these settings
already, i.e. newly installed IMAP servers do *not* support SSLv1 and
SSLv2 unless that support is explicitly enabled by the user. (bsc#901748)

- An integer overflow vulnerability in cyrus-imapd's urlfetch range
checking code was fixed. (CVE-2015-8076, CVE-2015-8077, CVE-2015-8078,
bsc#981670, bsc#954200, bsc#954201)

- Support for Elliptic Curve Diffie–Hellman (ECDH) has been added to
cyrus-imapd. (bsc#860611)


Patch Instructions:

To install this SUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product:

- SUSE Linux Enterprise Server 12-SP1:

zypper in -t patch SUSE-SLE-SERVER-12-SP1-2016-864=1

- SUSE Linux Enterprise Server 12:

zypper in -t patch SUSE-SLE-SERVER-12-2016-864=1

To bring your system up-to-date, use "zypper patch".


Package List:

- SUSE Linux Enterprise Server 12-SP1 (ppc64le s390x x86_64):

cyrus-imapd-debuginfo-2.3.18-37.1
cyrus-imapd-debugsource-2.3.18-37.1
perl-Cyrus-IMAP-2.3.18-37.1
perl-Cyrus-IMAP-debuginfo-2.3.18-37.1
perl-Cyrus-SIEVE-managesieve-2.3.18-37.1
perl-Cyrus-SIEVE-managesieve-debuginfo-2.3.18-37.1

- SUSE Linux Enterprise Server 12 (ppc64le s390x x86_64):

cyrus-imapd-debuginfo-2.3.18-37.1
cyrus-imapd-debugsource-2.3.18-37.1
perl-Cyrus-IMAP-2.3.18-37.1
perl-Cyrus-IMAP-debuginfo-2.3.18-37.1
perl-Cyrus-SIEVE-managesieve-2.3.18-37.1
perl-Cyrus-SIEVE-managesieve-debuginfo-2.3.18-37.1


References:

https://www.suse.com/security/cve/CVE-2014-3566.html
https://www.suse.com/security/cve/CVE-2015-8076.html
https://www.suse.com/security/cve/CVE-2015-8077.html
https://www.suse.com/security/cve/CVE-2015-8078.html
https://bugzilla.suse.com/860611
https://bugzilla.suse.com/901748
https://bugzilla.suse.com/954200
https://bugzilla.suse.com/954201
https://bugzilla.suse.com/981670

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