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    CVE-2020-12399

    NSS has shown timing differences when performing DSA signatures, which was exploitable and could eventually leak private keys. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.

    Published:May 21, 2020
    Last Modified:Nov 21, 2024
    EPS:Jul 9, 2020
    EPSS Score:0.00101
    CVSS Score:4.4

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Mozilla
    Product
    Firefox
    Vendor
    Mozilla
    Product
    Firefox Esr
    Vendor
    Mozilla
    Product
    Thunderbird
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

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    References

    https://bugzilla.mozilla.org/show_bug.cgi?id=1631576
    https://lists.debian.org/debian-lts-announce/2020/09/msg00029.html
    https://security.gentoo.org/glsa/202007-49
    https://usn.ubuntu.com/4421-1/
    https://www.debian.org/security/2020/dsa-4726
    https://www.mozilla.org/security/advisories/mfsa2020-20/
    https://www.mozilla.org/security/advisories/mfsa2020-21/
    https://www.mozilla.org/security/advisories/mfsa2020-22/
    https://bugzilla.mozilla.org/show_bug.cgi?id=1631576
    https://lists.debian.org/debian-lts-announce/2020/09/msg00029.html
    https://security.gentoo.org/glsa/202007-49
    https://usn.ubuntu.com/4421-1/
    https://www.debian.org/security/2020/dsa-4726
    https://www.mozilla.org/security/advisories/mfsa2020-20/
    https://www.mozilla.org/security/advisories/mfsa2020-21/
    https://www.mozilla.org/security/advisories/mfsa2020-22/

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High