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    CVE-2020-11940

    In nDPI through 3.2 Stable, an out-of-bounds read in concat_hash_string in ssh.c can be exploited by a network-positioned attacker that can send malformed SSH protocol messages on a network segment monitored by nDPI's library.

    Published:Apr 23, 2020
    Last Modified:Nov 21, 2024
    EPS:Apr 23, 2020
    EPSS Score:0.00473
    CVSS Score:7.5

    Affected Products

    Vendor
    Ntop
    Product
    Ndpi

    Exploits

    https://securitylab.github.com/advisories/GHSL-2020-051_052-ntop-ndpihttps://securitylab.github.com/advisories/GHSL-2020-051_052-ntop-ndpi

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    Related CVEs

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    CVE-2021-36082 (CVSS 8.8) — ntop nDPI 3.4 has a stack-based buffer overflow in processClientServerHello.…
    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-2020-11939 (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