RedHat: RHSA-2019-1792:01 Important: keepalived security update

    Date16 Jul 2019
    CategoryRed Hat
    2689
    Posted ByLinuxSecurity Advisories
    An update for keepalived is now available for Red Hat Enterprise Linux 7.5 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score,
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    =====================================================================
                       Red Hat Security Advisory
    
    Synopsis:          Important: keepalived security update
    Advisory ID:       RHSA-2019:1792-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2019:1792
    Issue date:        2019-07-16
    CVE Names:         CVE-2018-19115 
    =====================================================================
    
    1. Summary:
    
    An update for keepalived is now available for Red Hat Enterprise Linux 7.5
    Extended Update Support.
    
    Red Hat Product Security has rated this update as having a security impact
    of Important. 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 EUS (v. 7.5) - ppc64, ppc64le, s390x, x86_64
    
    3. Description:
    
    The keepalived utility provides simple and robust facilities for load
    balancing and high availability. The load balancing framework relies on the
    well-known and widely used IP Virtual Server (IPVS) kernel module providing
    layer-4 (transport layer) load balancing. Keepalived implements a set of
    checkers to dynamically and adaptively maintain and manage a load balanced
    server pool according to the health of the servers. Keepalived also
    implements the Virtual Router Redundancy Protocol (VRRPv2) to achieve high
    availability with director failover.
    
    Security Fix(es):
    
    * keepalived: Heap-based buffer overflow when parsing HTTP status codes
    allows for denial of service or possibly arbitrary code execution
    (CVE-2018-19115)
    
    For more details about the security issue(s), including the impact, a CVSS
    score, acknowledgments, and other related information, refer to the CVE
    page(s) listed in 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/):
    
    1651871 - CVE-2018-19115 keepalived: Heap-based buffer overflow when parsing HTTP status codes allows for denial of service or possibly arbitrary code execution
    
    6. Package List:
    
    Red Hat Enterprise Linux Server EUS (v. 7.5):
    
    Source:
    keepalived-1.3.5-7.el7_5.2.src.rpm
    
    ppc64:
    keepalived-1.3.5-7.el7_5.2.ppc64.rpm
    keepalived-debuginfo-1.3.5-7.el7_5.2.ppc64.rpm
    
    ppc64le:
    keepalived-1.3.5-7.el7_5.2.ppc64le.rpm
    keepalived-debuginfo-1.3.5-7.el7_5.2.ppc64le.rpm
    
    s390x:
    keepalived-1.3.5-7.el7_5.2.s390x.rpm
    keepalived-debuginfo-1.3.5-7.el7_5.2.s390x.rpm
    
    x86_64:
    keepalived-1.3.5-7.el7_5.2.x86_64.rpm
    keepalived-debuginfo-1.3.5-7.el7_5.2.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://access.redhat.com/security/team/key/
    
    7. References:
    
    https://access.redhat.com/security/cve/CVE-2018-19115
    https://access.redhat.com/security/updates/classification/#important
    
    8. Contact:
    
    The Red Hat security contact is . More contact
    details at https://access.redhat.com/security/team/contact/
    
    Copyright 2019 Red Hat, Inc.
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