RedHat: RHSA-2019-0303:01 Important: runc security update

    Date11 Feb 2019
    CategoryRed Hat
    326
    Posted ByLinuxSecurity Advisories
    An update for runc is now available for Red Hat Enterprise Linux 7 Extras. 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
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    =====================================================================
                       Red Hat Security Advisory
    
    Synopsis:          Important: runc security update
    Advisory ID:       RHSA-2019:0303-01
    Product:           Red Hat Enterprise Linux Extras
    Advisory URL:      https://access.redhat.com/errata/RHSA-2019:0303
    Issue date:        2019-02-11
    CVE Names:         CVE-2019-5736 
    =====================================================================
    
    1. Summary:
    
    An update for runc is now available for Red Hat Enterprise Linux 7 Extras.
    
    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 7 Extras - aarch64, ppc64le, s390x, x86_64
    
    3. Description:
    
    The runC tool is a lightweight, portable implementation of the Open
    Container Format (OCF) that provides container runtime.
    
    Security Fix(es):
    
    * A flaw was found in the way runc handled system file descriptors when
    running containers. A malicious container could use this flaw to overwrite
    contents of the runc binary and consequently run arbitrary commands on the
    container host system. (CVE-2019-5736)
    
    Additional details about this flaw, including mitigation information, can
    be found in the vulnerability article linked from the Reference section.
    
    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/):
    
    1664908 - CVE-2019-5736 runc: Execution of malicious containers allows for container escape and access to host filesystem
    
    6. Package List:
    
    Red Hat Enterprise Linux 7 Extras:
    
    Source:
    runc-1.0.0-59.dev.git2abd837.el7.src.rpm
    
    aarch64:
    runc-1.0.0-59.dev.git2abd837.el7.aarch64.rpm
    runc-debuginfo-1.0.0-59.dev.git2abd837.el7.aarch64.rpm
    
    ppc64le:
    runc-1.0.0-59.dev.git2abd837.el7.ppc64le.rpm
    runc-debuginfo-1.0.0-59.dev.git2abd837.el7.ppc64le.rpm
    
    s390x:
    runc-1.0.0-59.dev.git2abd837.el7.s390x.rpm
    runc-debuginfo-1.0.0-59.dev.git2abd837.el7.s390x.rpm
    
    x86_64:
    runc-1.0.0-59.dev.git2abd837.el7.x86_64.rpm
    runc-debuginfo-1.0.0-59.dev.git2abd837.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-2019-5736
    https://access.redhat.com/security/updates/classification/#important
    https://access.redhat.com/security/vulnerabilities/runcescape
    
    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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