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    Gentoo: GLSA-202009-01: GnuTLS: Denial of service

    Date
    293
    Posted By
    A flaw was found in GnuTLS, possibly allowing a Denial of Service condition.
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    Gentoo Linux Security Advisory                           GLSA 202009-01
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                                               https://security.gentoo.org/
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     Severity: Low
        Title: GnuTLS: Denial of service
         Date: September 06, 2020
         Bugs: #740390
           ID: 202009-01
    
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    Synopsis
    ========
    
    A flaw was found in GnuTLS, possibly allowing a Denial of Service
    condition.
    
    Background
    ==========
    
    GnuTLS is an Open Source implementation of the TLS and SSL protocols.
    
    Affected packages
    =================
    
        -------------------------------------------------------------------
         Package              /     Vulnerable     /            Unaffected
        -------------------------------------------------------------------
      1  net-libs/gnutls              < 3.6.15                  >= 3.6.15
    
    Description
    ===========
    
    It was found that GnuTLS didn't handle "no_renegotiation" alert
    properly.
    
    Impact
    ======
    
    A remote attacker could entice a user to connect to a malicious TLS
    endpoint using an application linked against GnuTLS, possibly resulting
    in a Denial of Service condition.
    
    Workaround
    ==========
    
    There is no known workaround at this time.
    
    Resolution
    ==========
    
    All GnuTLS users should upgrade to the latest version:
    
      # emerge --sync
      # emerge --ask --oneshot --verbose ">=net-libs/gnutls-3.6.15"
    
    References
    ==========
    
    [ 1 ] CVE-2020-24659
          https://nvd.nist.gov/vuln/detail/CVE-2020-24659
    
    Availability
    ============
    
    This GLSA and any updates to it are available for viewing at
    the Gentoo Security Website:
    
     https://security.gentoo.org/glsa/202009-01
    
    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 2020 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
    
    

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