HIGH7.5
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.
CVSS 2.0MEDIUM 5.0
CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:N/A:PCVSS 3.xHIGH 7.5
CVSS:3.x/CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HReferences
- 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