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    CVE-2021-36082

    ntop nDPI 3.4 has a stack-based buffer overflow in processClientServerHello.

    Published:Jul 1, 2021
    Last Modified:Nov 21, 2024
    EPS:Jul 1, 2021
    EPSS Score:0.00503
    CVSS Score:8.8

    Affected Products

    Vendor
    Ntop
    Product
    Ndpi

    Exploits

    https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30393https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30393

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-86098 (CVSS 8.3) — ntop nDPI versions before 6.0 contain a heap buffer overflow vulnerability in the ndpi_json_string_escape func…
    CVE-2025-25066 (CVSS 8.1) — nDPI through 4.12 has a potential stack-based buffer overflow in ndpi_address_cache_restore in lib/ndpi_cache.…
    CVE-2020-15471 (CVSS 9.1) — In nDPI through 3.2, the packet parsing code is vulnerable to a heap-based buffer over-read in ndpi_parse_pack…
    CVE-2020-15472 (CVSS 9.1) — In nDPI through 3.2, the H.323 dissector is vulnerable to a heap-based buffer over-read in ndpi_search_h323 in…
    CVE-2020-15473 (CVSS 9.1) — In nDPI through 3.2, the OpenVPN dissector is vulnerable to a heap-based buffer over-read in ndpi_search_openv…
    CVE-2020-15474 (CVSS 9.8) — In nDPI through 3.2, there is a stack overflow in extractRDNSequence in lib/protocols/tls.c.…
    CVE-2020-15475 (CVSS 9.8) — In nDPI through 3.2, ndpi_reset_packet_line_info in lib/ndpi_main.c omits certain reinitialization, leading to…
    CVE-2020-15476 (CVSS 7.5) — In nDPI through 3.2, the Oracle protocol dissector has a heap-based buffer over-read in ndpi_search_oracle in …
    CVE-2020-11940 (CVSS 7.5) — In nDPI through 3.2 Stable, an out-of-bounds read in concat_hash_string in ssh.c can be exploited by a network…
    CVE-2020-11939 (CVSS 9.8) — In nDPI through 3.2 Stable, the SSH protocol dissector has multiple KEXINIT integer overflows that result in a…

    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