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Status published
High
CVE-2017-18594
nse_libssh2.cc in Nmap 7.70 is subject to a denial of...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://seclists.org/nmap-dev/2018/q2/45
- https://github.com/nmap/nmap/issues/1227
- https://github.com/nmap/nmap/commit/350bbe0597d37ad67abe5fef8fba984707b4e9ad
- https://github.com/nmap/nmap/issues/1077
- https://github.com/AMatchandaHaystack/Research/blob/master/Nmap%26libsshDF
- https://seclists.org/nmap-announce/2019/0
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00073.html
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00075.html
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Affected Vendor
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View all reports →Affected Software
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Vulnerable Versions:
7.70
Timeline
Official Publish:
August 28th, 2019
Last Modified:
August 5th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.