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    CVE-2017-7502

    Null pointer dereference vulnerability in NSS since 3.24.0 was found when server receives empty SSLv2 messages resulting into denial of service by remote attacker.

    Published:May 30, 2017
    Last Modified:Apr 20, 2025
    EPS:May 30, 2017
    EPSS Score:0.04527
    CVSS Score:7.5

    Affected Products

    Vendor
    Mozilla
    Product
    Network Security Services
    Vendor
    Redhat
    Product
    Container Development Kit
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-476 NULL Pointer Dereference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    CVE-2019-17006 (CVSS 9.8) — In Network Security Services (NSS) before 3.46, several cryptographic primitives had missing length checks. In…
    CVE-2019-17007 (CVSS 7.5) — In Network Security Services before 3.44, a malformed Netscape Certificate Sequence can cause NSS to crash, re…
    CVE-2018-18508 (CVSS 6.5) — In Network Security Services (NSS) before 3.36.7 and before 3.41.1, a malformed signature can cause a crash du…
    CVE-2018-12404 (CVSS 5.9) — A cached side channel attack during handshakes using RSA encryption could allow for the decryption of encrypte…
    CVE-2018-12384 (CVSS 5.9) — When handling a SSLv2-compatible ClientHello request, the server doesn't generate a new random value but sends…
    CVE-2017-11698 (CVSS 7.8) — Heap-based buffer overflow in the __get_page function in lib/dbm/src/h_page.c in Mozilla Network Security Serv…
    CVE-2017-11697 (CVSS 7.8) — The __hash_open function in hash.c:229 in Mozilla Network Security Services (NSS) allows context-dependent att…
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    References

    http://www.debian.org/security/2017/dsa-3872
    http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
    http://www.securityfocus.com/bid/98744
    http://www.securitytracker.com/id/1038579
    https://access.redhat.com/errata/RHSA-2017:1364
    https://access.redhat.com/errata/RHSA-2017:1365
    https://access.redhat.com/errata/RHSA-2017:1567
    https://access.redhat.com/errata/RHSA-2017:1712
    https://hg.mozilla.org/projects/nss/rev/55ea60effd0d
    http://www.debian.org/security/2017/dsa-3872
    http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
    http://www.securityfocus.com/bid/98744
    http://www.securitytracker.com/id/1038579
    https://access.redhat.com/errata/RHSA-2017:1364
    https://access.redhat.com/errata/RHSA-2017:1365
    https://access.redhat.com/errata/RHSA-2017:1567
    https://access.redhat.com/errata/RHSA-2017:1712
    https://hg.mozilla.org/projects/nss/rev/55ea60effd0d

    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