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    Gentoo: GLSA-202007-49: Mozilla Network Security Service (NSS): Information disclosure

    Date
    202
    Posted By
    NSS has an information disclosure vulnerability when handling DSA keys.
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    Gentoo Linux Security Advisory                           GLSA 202007-49
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                                               https://security.gentoo.org/
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     Severity: Low
        Title: Mozilla Network Security Service (NSS): Information
               disclosure
         Date: July 27, 2020
         Bugs: #726842
           ID: 202007-49
    
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    Synopsis
    ========
    
    NSS has an information disclosure vulnerability when handling DSA keys.
    
    Background
    ==========
    
    The Mozilla Network Security Service (NSS) is a library implementing
    security features like SSL v.2/v.3, TLS, PKCS #5, PKCS #7, PKCS #11,
    PKCS #12, S/MIME and X.509 certificates.
    
    Affected packages
    =================
    
        -------------------------------------------------------------------
         Package              /     Vulnerable     /            Unaffected
        -------------------------------------------------------------------
      1  dev-libs/nss                 < 3.52.1                  >= 3.52.1
    
    Description
    ===========
    
    NSS was found to not always perform constant-time operations when
    working with DSA key material.
    
    Impact
    ======
    
    An attacker may be able to obtain information about a DSA private key.
    
    Workaround
    ==========
    
    There is no known workaround at this time.
    
    Resolution
    ==========
    
    All NSS users should upgrade to the latest version:
    
      # emerge --sync
      # emerge --ask --oneshot --verbose ">=dev-libs/nss-3.52.1"
    
    References
    ==========
    
    [ 1 ] CVE-2020-12399
          https://nvd.nist.gov/vuln/detail/CVE-2020-12399
    
    Availability
    ============
    
    This GLSA and any updates to it are available for viewing at
    the Gentoo Security Website:
    
     https://security.gentoo.org/glsa/202007-49
    
    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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