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Sicherheit: Zwei Probleme in PCS
Aktuelle Meldungen Distributionen
Name: Zwei Probleme in PCS
ID: RHSA-2016:2596-02
Distribution: Red Hat
Plattformen: Red Hat Enterprise Linux
Datum: Do, 3. November 2016, 21:57
Referenzen: https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/7.3_Release_Notes/index.html
https://access.redhat.com/security/cve/CVE-2016-0720
https://access.redhat.com/security/cve/CVE-2016-0721

Originalnachricht

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

Synopsis: Moderate: pcs security, bug fix, and enhancement update
Advisory ID: RHSA-2016:2596-02
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2016-2596.html
Issue date: 2016-11-03
CVE Names: CVE-2016-0720 CVE-2016-0721
=====================================================================

1. Summary:

An update for pcs is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact
of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Server High Availability (v. 7) - s390x, x86_64
Red Hat Enterprise Linux Server Resilient Storage (v. 7) - s390x, x86_64

3. Description:

The pcs packages provide a command-line configuration system for the
Pacemaker and Corosync utilities.

The following packages have been upgraded to a newer upstream version: pcs
(0.9.152). (BZ#1299847)

Security Fix(es):

* A Cross-Site Request Forgery (CSRF) flaw was found in the pcsd web UI. A
remote attacker could provide a specially crafted web page that, when
visited by a user with a valid pcsd session, would allow the attacker to
trigger requests on behalf of the user, for example removing resources or
restarting/removing nodes. (CVE-2016-0720)

* It was found that pcsd did not invalidate cookies on the server side when
a user logged out. This could potentially allow an attacker to perform
session fixation attacks on pcsd. (CVE-2016-0721)

These issues were discovered by Martin Prpic (Red Hat Product Security).

Additional Changes:

For detailed information on changes in this release, see the Red Hat
Enterprise Linux 7.3 Release Notes linked from the References section.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

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

1158500 - add support for utilization attributes
1164402 - Support for sbd configuration is needed in pcs
1207405 - RFE: please adjust timeouts for pcsd check (or allow to disable them)
1219581 - [CLI] particular help screens inconsistent in indication of default
sub^n-commands
1220512 - pcs resource cleanup improvements
1225423 - pcs should allow to remove a dead node from a cluster
1225946 - [CLI] minor cleanups in built-in documentation
1229822 - [RFE] make "cluster setup --start", "cluster start"
and "cluster standby" support --wait as well
1231858 - resource/fence agent options form needs an overhaul
1248990 - Specifying a non-existing id in ACL role permission produces an
invalid CIB
1249085 - 'pcs resource delete' doesn't delete resource referenced
in acl
1252050 - Rewrite pcsd launch script
1264360 - pcs Web UI doesn't indicate unmanaged resources
1269242 - pcs needs to be able to view status and config on nodes that are not
part of any cluster, but have a cib.xml file
1281364 - colocation set constraints missing in web UI
1281371 - Cluster Properties page in web UI needs an overhaul
1281391 - web UI lacks ability to move resources within a resource group
1286664 - pcsd: deleting groups/clones from older cluster returns Internal
Server Error
1287320 - When referencing a stonith/resource agent without a provider and the
fence/resource agents fails to get metadata causes pcs to traceback
1290512 - pcs doesn't support putting Pacemaker Remote nodes into standby
1298585 - [RFE] pcs status output could be simpler when constraints are in
place
1299614 - CVE-2016-0720 pcs: Cross-Site Request Forgery in web UI
1299615 - CVE-2016-0721 pcs: cookies are not invalidated upon logout
1299847 - pcs rebase bug for 7.3
1301993 - [RFE] pcs property list/show could have a --node filter
1302010 - pcs property show <property> shows all node properties
unfiltered
1303136 - Cannot create a new resource with the same name of a one failed and
deleted before, until cleanup
1305786 - Unsanitized input in username field on login page
1315357 - [packaging] pcsd.service shipped twice (under different locations)
1315652 - Option to disable particular TLS version and ciphers with pcsd
1315743 - [packaging] /etc/sysconfig/pcsd is not marked as a config file
1327739 - Need a way to set expected votes on a live system
1328066 - [cli] pcs makes a disservice to CIB-accumulate-and-push use cases by
not coping with "cib --config" file (recommended!) passed as "-f <file>" to cib-modifying commands
1329472 - Cannot recreate remote node resource
1341114 - [packaging] pcs should mark known (existing or not) %config files in
the spec (/etc/sysconfig/pcsd, /var/lib/pcsd/tokens, ...)
1346852 - [GUI] Bad Request when resource removal takes longer than pcs expects
1349465 - [bash-completion] put it under $(pkg-config --variable=completionsdir
bash-completion) to allow for dynamic loading
1354498 - [cli] pcs should except KeyboardInterrupt at least around raw_input
builtin invocation
1357945 - [clufter integration] clufter is distribution-sensitive wrt. new
features so pass the current one on cluster.conf/corosync.conf match and allow user's override
1359154 - pcs authentication command does not trigger authentication of nodes
against each other
1366307 - [pcsd] Badly designed usage of HTML ID attributes may cause
unexpected behavior with certain resource names

6. Package List:

Red Hat Enterprise Linux Server High Availability (v. 7):

Source:
pcs-0.9.152-10.el7.src.rpm

s390x:
pcs-0.9.152-10.el7.s390x.rpm
pcs-debuginfo-0.9.152-10.el7.s390x.rpm

x86_64:
pcs-0.9.152-10.el7.x86_64.rpm
pcs-debuginfo-0.9.152-10.el7.x86_64.rpm

Red Hat Enterprise Linux Server Resilient Storage (v. 7):

Source:
pcs-0.9.152-10.el7.src.rpm

s390x:
pcs-0.9.152-10.el7.s390x.rpm
pcs-debuginfo-0.9.152-10.el7.s390x.rpm

x86_64:
pcs-0.9.152-10.el7.x86_64.rpm
pcs-debuginfo-0.9.152-10.el7.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/

7. References:

https://access.redhat.com/security/cve/CVE-2016-0720
https://access.redhat.com/security/cve/CVE-2016-0721
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/7.3_Release_Notes/index.html

8. Contact:

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

Copyright 2016 Red Hat, Inc.
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