Red Hat: 2014:0703-01: json-c: Moderate Advisory

    Date10 Jun 2014
    CategoryRed Hat
    647
    Posted ByJoe Shakespeare
    Updated json-c packages that fix two security issues are now available for Red Hat Enterprise Linux 7. The Red Hat Security Response Team has rated this update as having Moderate [More...]
    =====================================================================
                       Red Hat Security Advisory
    
    Synopsis:          Moderate: json-c security update
    Advisory ID:       RHSA-2014:0703-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://rhn.redhat.com/errata/RHSA-2014-0703.html
    Issue date:        2014-06-10
    CVE Names:         CVE-2013-6370 CVE-2013-6371 
    =====================================================================
    
    1. Summary:
    
    Updated json-c packages that fix two security issues are now available for
    Red Hat Enterprise Linux 7.
    
    The Red Hat Security Response Team has rated this update as having Moderate
    security impact. Common Vulnerability Scoring System (CVSS) base scores,
    which give detailed severity ratings, are available for each vulnerability
    from the CVE links in the References section.
    
    2. Relevant releases/architectures:
    
    Red Hat Enterprise Linux Client (v. 7) - x86_64
    Red Hat Enterprise Linux Client Optional (v. 7) - noarch, x86_64
    Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
    Red Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch, x86_64
    Red Hat Enterprise Linux Server (v. 7) - ppc64, s390x, x86_64
    Red Hat Enterprise Linux Server Optional (v. 7) - noarch, ppc64, s390x, x86_64
    Red Hat Enterprise Linux Workstation (v. 7) - x86_64
    Red Hat Enterprise Linux Workstation Optional (v. 7) - noarch, x86_64
    
    3. Description:
    
    JSON-C implements a reference counting object model that allows you to
    easily construct JSON objects in C, output them as JSON-formatted strings,
    and parse JSON-formatted strings back into the C representation of
    JSON objects.
    
    Multiple buffer overflow flaws were found in the way the json-c library
    handled long strings in JSON documents. An attacker able to make an
    application using json-c parse excessively large JSON input could cause the
    application to crash. (CVE-2013-6370)
    
    A denial of service flaw was found in the implementation of hash arrays in
    json-c. An attacker could use this flaw to make an application using json-c
    consume an excessive amount of CPU time by providing a specially crafted
    JSON document that triggers multiple hash function collisions. To mitigate
    this issue, json-c now uses a different hash function and randomization to
    reduce the chance of an attacker successfully causing intentional
    collisions. (CVE-2013-6371)
    
    These issues were discovered by Florian Weimer of the Red Hat Product
    Security Team.
    
    All json-c users are advised to upgrade to these updated packages, which
    contain backported patches to correct these issues.
    
    4. Solution:
    
    Before applying this update, make sure all previously released errata
    relevant to your system have been applied.
    
    This update is available via the Red Hat Network. Details on how to
    use the Red Hat Network to apply this update are available at
    https://access.redhat.com/site/articles/11258
    
    5. Bugs fixed (https://bugzilla.redhat.com/):
    
    1032311 - CVE-2013-6371 json-c: hash collision DoS
    1032322 - CVE-2013-6370 json-c: buffer overflow if size_t is larger than int
    
    6. Package List:
    
    Red Hat Enterprise Linux Client (v. 7):
    
    Source:
    json-c-0.11-4.el7_0.src.rpm
    
    x86_64:
    json-c-0.11-4.el7_0.i686.rpm
    json-c-0.11-4.el7_0.x86_64.rpm
    json-c-debuginfo-0.11-4.el7_0.i686.rpm
    json-c-debuginfo-0.11-4.el7_0.x86_64.rpm
    
    Red Hat Enterprise Linux Client Optional (v. 7):
    
    noarch:
    json-c-doc-0.11-4.el7_0.noarch.rpm
    
    x86_64:
    json-c-debuginfo-0.11-4.el7_0.i686.rpm
    json-c-debuginfo-0.11-4.el7_0.x86_64.rpm
    json-c-devel-0.11-4.el7_0.i686.rpm
    json-c-devel-0.11-4.el7_0.x86_64.rpm
    
    Red Hat Enterprise Linux ComputeNode (v. 7):
    
    Source:
    json-c-0.11-4.el7_0.src.rpm
    
    x86_64:
    json-c-0.11-4.el7_0.i686.rpm
    json-c-0.11-4.el7_0.x86_64.rpm
    json-c-debuginfo-0.11-4.el7_0.i686.rpm
    json-c-debuginfo-0.11-4.el7_0.x86_64.rpm
    
    Red Hat Enterprise Linux ComputeNode Optional (v. 7):
    
    noarch:
    json-c-doc-0.11-4.el7_0.noarch.rpm
    
    x86_64:
    json-c-debuginfo-0.11-4.el7_0.i686.rpm
    json-c-debuginfo-0.11-4.el7_0.x86_64.rpm
    json-c-devel-0.11-4.el7_0.i686.rpm
    json-c-devel-0.11-4.el7_0.x86_64.rpm
    
    Red Hat Enterprise Linux Server (v. 7):
    
    Source:
    json-c-0.11-4.el7_0.src.rpm
    
    ppc64:
    json-c-0.11-4.el7_0.ppc.rpm
    json-c-0.11-4.el7_0.ppc64.rpm
    json-c-debuginfo-0.11-4.el7_0.ppc.rpm
    json-c-debuginfo-0.11-4.el7_0.ppc64.rpm
    
    s390x:
    json-c-0.11-4.el7_0.s390.rpm
    json-c-0.11-4.el7_0.s390x.rpm
    json-c-debuginfo-0.11-4.el7_0.s390.rpm
    json-c-debuginfo-0.11-4.el7_0.s390x.rpm
    
    x86_64:
    json-c-0.11-4.el7_0.i686.rpm
    json-c-0.11-4.el7_0.x86_64.rpm
    json-c-debuginfo-0.11-4.el7_0.i686.rpm
    json-c-debuginfo-0.11-4.el7_0.x86_64.rpm
    
    Red Hat Enterprise Linux Server Optional (v. 7):
    
    noarch:
    json-c-doc-0.11-4.el7_0.noarch.rpm
    
    ppc64:
    json-c-debuginfo-0.11-4.el7_0.ppc.rpm
    json-c-debuginfo-0.11-4.el7_0.ppc64.rpm
    json-c-devel-0.11-4.el7_0.ppc.rpm
    json-c-devel-0.11-4.el7_0.ppc64.rpm
    
    s390x:
    json-c-debuginfo-0.11-4.el7_0.s390.rpm
    json-c-debuginfo-0.11-4.el7_0.s390x.rpm
    json-c-devel-0.11-4.el7_0.s390.rpm
    json-c-devel-0.11-4.el7_0.s390x.rpm
    
    x86_64:
    json-c-debuginfo-0.11-4.el7_0.i686.rpm
    json-c-debuginfo-0.11-4.el7_0.x86_64.rpm
    json-c-devel-0.11-4.el7_0.i686.rpm
    json-c-devel-0.11-4.el7_0.x86_64.rpm
    
    Red Hat Enterprise Linux Workstation (v. 7):
    
    Source:
    json-c-0.11-4.el7_0.src.rpm
    
    x86_64:
    json-c-0.11-4.el7_0.i686.rpm
    json-c-0.11-4.el7_0.x86_64.rpm
    json-c-debuginfo-0.11-4.el7_0.i686.rpm
    json-c-debuginfo-0.11-4.el7_0.x86_64.rpm
    
    Red Hat Enterprise Linux Workstation Optional (v. 7):
    
    noarch:
    json-c-doc-0.11-4.el7_0.noarch.rpm
    
    x86_64:
    json-c-debuginfo-0.11-4.el7_0.i686.rpm
    json-c-debuginfo-0.11-4.el7_0.x86_64.rpm
    json-c-devel-0.11-4.el7_0.i686.rpm
    json-c-devel-0.11-4.el7_0.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/#package
    
    7. References:
    
    https://www.redhat.com/security/data/cve/CVE-2013-6370.html
    https://www.redhat.com/security/data/cve/CVE-2013-6371.html
    https://access.redhat.com/security/updates/classification/#moderate
    
    8. Contact:
    
    The Red Hat security contact is .  More contact
    details at https://access.redhat.com/security/team/contact/
    
    Copyright 2014 Red Hat, Inc.
    
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