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    CVE-2014-1569

    The definite_length_decoder function in lib/util/quickder.c in Mozilla Network Security Services (NSS) before 3.16.2.4 and 3.17.x before 3.17.3 does not ensure that the DER encoding of an ASN.1 length is properly formed, which allows remote attackers to conduct data-smuggling attacks by using a long byte sequence for an encoding, as demonstrated by the SEC_QuickDERDecodeItem function's improper handling of an arbitrary-length encoding of 0x00.

    Published:Dec 1, 2014
    Last Modified:Apr 12, 2025
    EPS:Dec 15, 2014
    EPSS Score:0.02629
    CVSS Score:7.5

    Affected Products

    Vendor
    Mozilla
    Product
    Network Security Services
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    http://www.intelsecurity.com/resources/wp-berserk-analysis-part-1.pdfhttps://bugzilla.mozilla.org/show_bug.cgi?id=1064670https://www.imperialviolet.org/2014/09/26/pkcs1.htmlhttps://www.reddit.com/r/netsec/comments/2hd1m8/rsa_signature_forgery_in_nss/cksnr02http://www.intelsecurity.com/resources/wp-berserk-analysis-part-1.pdfhttps://bugzilla.mozilla.org/show_bug.cgi?id=1064670https://www.imperialviolet.org/2014/09/26/pkcs1.htmlhttps://www.reddit.com/r/netsec/comments/2hd1m8/rsa_signature_forgery_in_nss/cksnr02

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00024.html
    http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00032.html
    http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00033.html
    http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00036.html
    http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00000.html
    http://www.debian.org/security/2015/dsa-3186
    http://www.intelsecurity.com/resources/wp-berserk-analysis-part-1.pdf
    http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
    http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
    http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
    http://www.securitytracker.com/id/1032909
    https://bugzilla.mozilla.org/show_bug.cgi?id=1064670
    https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.17.3_release_notes
    https://www.imperialviolet.org/2014/09/26/pkcs1.html
    https://www.reddit.com/r/netsec/comments/2hd1m8/rsa_signature_forgery_in_nss/cksnr02
    http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00024.html
    http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00032.html
    http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00033.html
    http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00036.html
    http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00000.html
    http://www.debian.org/security/2015/dsa-3186
    http://www.intelsecurity.com/resources/wp-berserk-analysis-part-1.pdf
    http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
    http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
    http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
    http://www.securitytracker.com/id/1032909
    https://bugzilla.mozilla.org/show_bug.cgi?id=1064670
    https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.17.3_release_notes
    https://www.imperialviolet.org/2014/09/26/pkcs1.html
    https://www.reddit.com/r/netsec/comments/2hd1m8/rsa_signature_forgery_in_nss/cksnr02

    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