7.5
CVE-2017-18594
- EPSS 3.16%
- Veröffentlicht 29.08.2019 00:15:10
- Zuletzt bearbeitet 21.11.2024 03:20:28
- Quelle cve@mitre.org
- CVE-Watchlists
- Unerledigt
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.
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 3.16% | 0.863 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 7.5 | 3.9 | 3.6 |
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
|
| nvd@nist.gov | 5 | 10 | 2.9 |
AV:N/AC:L/Au:N/C:N/I:N/A:P
|
CWE-415 Double Free
The product calls free() twice on the same memory address.
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