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    CVE-2017-18594

    nse_libssh2.cc in Nmap 7.70 is subject to a denial of service condition due to a double free when an SSH connection fails, as demonstrated by a leading \n character to ssh-brute.nse or ssh-auth-methods.nse.

    Published:Aug 10, 2019
    Last Modified:Nov 21, 2024
    EPS:Aug 28, 2019
    EPSS Score:0.01169
    CVSS Score:7.5

    Affected Products

    Vendor
    Nmap
    Product
    Nmap

    Exploits

    https://github.com/nmap/nmap/issues/1227https://github.com/nmap/nmap/issues/1227

    References

    http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00073.html
    http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00075.html
    https://github.com/AMatchandaHaystack/Research/blob/master/Nmap%26libsshDF
    https://github.com/nmap/nmap/commit/350bbe0597d37ad67abe5fef8fba984707b4e9ad
    https://github.com/nmap/nmap/issues/1077
    https://github.com/nmap/nmap/issues/1227
    https://seclists.org/nmap-announce/2019/0
    https://seclists.org/nmap-dev/2018/q2/45
    http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00073.html
    http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00075.html
    https://github.com/AMatchandaHaystack/Research/blob/master/Nmap%26libsshDF
    https://github.com/nmap/nmap/commit/350bbe0597d37ad67abe5fef8fba984707b4e9ad
    https://github.com/nmap/nmap/issues/1077
    https://github.com/nmap/nmap/issues/1227
    https://seclists.org/nmap-announce/2019/0
    https://seclists.org/nmap-dev/2018/q2/45

    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