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    Debian LTS: DLA-2519-1: pacemaker security update

    Date 06 Jan 2021
    894
    Posted By LinuxSecurity Advisories
    Several security vulnerabilities were addressed in pacemaker, a cluster resource manager. CVE-2018-16877
    -------------------------------------------------------------------------
    Debian LTS Advisory DLA-2519-1                This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/lts/security/                      Markus Koschany
    January 06, 2021                              https://wiki.debian.org/LTS
    -------------------------------------------------------------------------
    
    Package        : pacemaker
    Version        : 1.1.24-0+deb9u1
    CVE ID         : CVE-2018-16877 CVE-2018-16878 CVE-2020-25654
    
    Several security vulnerabilities were addressed in pacemaker, a cluster
    resource manager.
    
    CVE-2018-16877
    
        A flaw was found in the way pacemaker's client-server authentication was
        implemented. A local attacker could use this flaw, and combine it with
        other IPC weaknesses, to achieve local privilege escalation.
    
    CVE-2018-16878
    
        An insufficient verification inflicted preference of uncontrolled processes
        can lead to denial-of-service.
    
    CVE-2020-25654
    
        An ACL bypass flaw was found in pacemaker. 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, these problems have been fixed in version
    1.1.24-0+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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