CVE-2017-18594
Nmap SSH Double Free DoS
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.
INFO
Published Date :
Aug. 29, 2019, 12:15 a.m.
Last Modified :
Sept. 26, 2019, 12:15 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2017-18594.
| URL | Resource |
|---|---|
| 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 | Third Party Advisory |
| https://github.com/nmap/nmap/commit/350bbe0597d37ad67abe5fef8fba984707b4e9ad | Patch Third Party Advisory |
| https://github.com/nmap/nmap/issues/1077 | Patch Third Party Advisory |
| https://github.com/nmap/nmap/issues/1227 | Exploit Third Party Advisory |
| https://seclists.org/nmap-announce/2019/0 | Mailing List Third Party Advisory |
| https://seclists.org/nmap-dev/2018/q2/45 | Mailing List Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2017-18594 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2017-18594 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Sep. 26, 2019
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00075.html [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00073.html [No Types Assigned] -
Initial Analysis by [email protected]
Sep. 03, 2019
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://github.com/AMatchandaHaystack/Research/blob/master/Nmap%26libsshDF No Types Assigned https://github.com/AMatchandaHaystack/Research/blob/master/Nmap%26libsshDF Third Party Advisory Changed Reference Type https://github.com/nmap/nmap/commit/350bbe0597d37ad67abe5fef8fba984707b4e9ad No Types Assigned https://github.com/nmap/nmap/commit/350bbe0597d37ad67abe5fef8fba984707b4e9ad Patch, Third Party Advisory Changed Reference Type https://github.com/nmap/nmap/issues/1077 No Types Assigned https://github.com/nmap/nmap/issues/1077 Patch, Third Party Advisory Changed Reference Type https://github.com/nmap/nmap/issues/1227 No Types Assigned https://github.com/nmap/nmap/issues/1227 Exploit, Third Party Advisory Changed Reference Type https://seclists.org/nmap-announce/2019/0 No Types Assigned https://seclists.org/nmap-announce/2019/0 Mailing List, Third Party Advisory Changed Reference Type https://seclists.org/nmap-dev/2018/q2/45 No Types Assigned https://seclists.org/nmap-dev/2018/q2/45 Mailing List, Third Party Advisory Added CWE CWE-415 Added CPE Configuration OR *cpe:2.3:a:nmap:nmap:7.70:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2017-18594 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2017-18594
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.47 }} 0.07%
score
0.76031
percentile