ESB-2020.4029 – [Debian] pacemaker: Multiple vulnerabilities

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2020.4029
                         pacemaker security update
                             12 November 2020

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           pacemaker
Publisher:         Debian
Operating System:  Debian GNU/Linux
Impact/Access:     Unauthorised Access -- Existing Account
                   Reduced Security    -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-25654  

Reference:         ESB-2020.3754
                   ESB-2020.3745
                   ESB-2020.3721

Original Bulletin: 
   https://www.debian.org/lts/security/2020/dla-2447

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- -------------------------------------------------------------------------
Debian LTS Advisory DLA-2447-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                      Markus Koschany
November 11, 2020                             https://wiki.debian.org/LTS
- -------------------------------------------------------------------------

Package        : pacemaker
Version        : 1.1.16-1+deb9u1
CVE ID         : CVE-2020-25654
Debian Bug     : 973254

An ACL bypass flaw was found in pacemaker, a cluster resource manager.
An attacker having a local account on the cluster and in the haclient group
could use IPC communication with various daemons directly to perform certain
tasks that they would be prevented by ACLs from doing if they went through
the configuration.

For Debian 9 stretch, this problem has been fixed in version
1.1.16-1+deb9u1.

We recommend that you upgrade your pacemaker packages.

For the detailed security status of pacemaker please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/pacemaker

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS


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NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
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NOTE: This is only the original release of the security bulletin.  It may
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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
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===========================================================================
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