Detections
Analytics

CVE-2017-18594

high

Description

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.

References

https://seclists.org/nmap-dev/2018/q2/45

https://seclists.org/nmap-announce/2019/0

https://github.com/nmap/nmap/issues/1077

https://github.com/nmap/nmap/commit/350bbe0597d37ad67abe5fef8fba984707b4e9ad

https://github.com/AMatchandaHaystack/Research/blob/master/Nmap%26libsshDF

http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00075.html

http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00073.html

Details

Source: Mitre, NVD

Published: 2019-08-29

Updated: 2019-09-26

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.01169