CVE-2017-18594
HIGHNmap 7.70 - Denial of Service via SSH Connection Failure Double Free
Title source: llmDescription
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 (8)
Core 8
Core References
Mailing List, Third Party Advisory x_refsource_misc
https://seclists.org/nmap-dev/2018/q2/45
Exploit, Third Party Advisory x_refsource_misc
https://github.com/nmap/nmap/issues/1227
Patch, Third Party Advisory x_refsource_misc
https://github.com/nmap/nmap/commit/350bbe0597d37ad67abe5fef8fba984707b4e9ad
Patch, Third Party Advisory x_refsource_misc
https://github.com/nmap/nmap/issues/1077
Third Party Advisory x_refsource_misc
https://github.com/AMatchandaHaystack/Research/blob/master/Nmap%26libsshDF
Mailing List, Third Party Advisory x_refsource_misc
https://seclists.org/nmap-announce/2019/0
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00073.html
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00075.html
Scores
CVSS v3
7.5
EPSS
0.0316
EPSS Percentile
86.3%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-415
Status
published
Products (1)
nmap/nmap
7.70
Published
Aug 29, 2019
Tracked Since
Feb 18, 2026