Gentoo: GLSA-201903-09: GNU C Library: Arbitrary descriptor allocation

    Date13 Mar 2019
    CategoryGentoo
    329
    Posted ByLinuxSecurity Advisories
    A vulnerability in the GNU C Library could result in a Denial of Service condition.
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    Gentoo Linux Security Advisory                           GLSA 201903-09
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                                               https://security.gentoo.org/
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     Severity: Normal
        Title: GNU C Library: Arbitrary descriptor allocation
         Date: March 14, 2019
         Bugs: #617938
           ID: 201903-09
    
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    Synopsis
    ========
    
    A vulnerability in the GNU C Library could result in a Denial of
    Service condition.
    
    Background
    ==========
    
    The GNU C library is the standard C library used by Gentoo Linux
    systems.
    
    Affected packages
    =================
    
        -------------------------------------------------------------------
         Package              /     Vulnerable     /            Unaffected
        -------------------------------------------------------------------
      1  sys-libs/glibc               < 2.26.0                  >= 2.26.0 
    
    Description
    ===========
    
    A vulnerability was discovered in the GNU C Library functions xdr_bytes
    and xdr_string.
    
    Impact
    ======
    
    A remote attacker, by sending a crafted UDP packet, could cause a
    Denial of Service condition.
    
    Workaround
    ==========
    
    There is no known workaround at this time.
    
    Resolution
    ==========
    
    All GNU C Library users should upgrade to the latest version:
    
      # emerge --sync
      # emerge --ask --oneshot --verbose ">=sys-libs/glibc-2.26.0"
    
    References
    ==========
    
    [ 1 ] CVE-2018-19591
          https://nvd.nist.gov/vuln/detail/CVE-2018-19591
    
    Availability
    ============
    
    This GLSA and any updates to it are available for viewing at
    the Gentoo Security Website:
    
     https://security.gentoo.org/glsa/201903-09
    
    Concerns?
    =========
    
    Security is a primary focus of Gentoo Linux and ensuring the
    confidentiality and security of our users' machines is of utmost
    importance to us. Any security concerns should be addressed to
    This email address is being protected from spambots. You need JavaScript enabled to view it. or alternatively, you may file a bug at
    https://bugs.gentoo.org.
    
    License
    =======
    
    Copyright 2019 Gentoo Foundation, Inc; referenced text
    belongs to its owner(s).
    
    The contents of this document are licensed under the
    Creative Commons - Attribution / Share Alike license.
    
    https://creativecommons.org/licenses/by-sa/2.5
    
    You are not authorised to post comments.

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