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    Gentoo: GLSA-202007-50: GLib Networking: Improper certificate validation

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    GLib Networking was not properly verifying TLS certificates in all circumstances, possibly allowing an integrity/confidentiality compromise. [More...]
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    Gentoo Linux Security Advisory                           GLSA 202007-50
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                                               https://security.gentoo.org/
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     Severity: Normal
        Title: GLib Networking: Improper certificate validation
         Date: July 27, 2020
         Bugs: #725880
           ID: 202007-50
    
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    Synopsis
    ========
    
    GLib Networking was not properly verifying TLS certificates in all
    circumstances, possibly allowing an integrity/confidentiality
    compromise.
    
    Background
    ==========
    
    Network-related giomodules for glib
    
    Affected packages
    =================
    
        -------------------------------------------------------------------
         Package              /     Vulnerable     /            Unaffected
        -------------------------------------------------------------------
      1  net-libs/glib-networking
                                      < 2.62.4                  >= 2.62.4
    
    Description
    ===========
    
    GTlsClientConnection skips hostname verification of the server's TLS
    certificate if the application fails to specify the expected server
    identity.
    
    Impact
    ======
    
    There may be a breach of integrity or confidentiality in connections
    made using GLib Networking.
    
    Workaround
    ==========
    
    There is no known workaround at this time.
    
    Resolution
    ==========
    
    All GLib Networking users should upgrade to the latest version:
    
      # emerge --sync
      # emerge --ask --oneshot -v ">=net-libs/glib-networking-2.62.4"
    
    References
    ==========
    
    [ 1 ] CVE-2020-13645
          https://nvd.nist.gov/vuln/detail/CVE-2020-13645
    
    Availability
    ============
    
    This GLSA and any updates to it are available for viewing at
    the Gentoo Security Website:
    
     https://security.gentoo.org/glsa/202007-50
    
    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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