CVE-2017-18594
Published: 29 August 2019
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.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
nmap Launchpad, Ubuntu, Debian |
impish |
Not vulnerable
(7.80+dfsg1-1)
|
| hirsute |
Not vulnerable
(7.80+dfsg1-1)
|
|
| xenial |
Needs triage
|
|
| lunar |
Not vulnerable
(7.80+dfsg1-1)
|
|
| bionic |
Needs triage
|
|
| disco |
Ignored
(end of life)
|
|
| eoan |
Not vulnerable
(7.80+dfsg1-1)
|
|
| focal |
Not vulnerable
(7.80+dfsg1-1)
|
|
| groovy |
Not vulnerable
(7.80+dfsg1-1)
|
|
| jammy |
Not vulnerable
(7.80+dfsg1-1)
|
|
| kinetic |
Not vulnerable
(7.80+dfsg1-1)
|
|
| trusty |
Needs triage
|
|
| upstream |
Released
(7.80+dfsg1-1)
|
|
|
Patches: upstream: https://github.com/nmap/nmap/commit/350bbe0597d37ad67abe5fef8fba984707b4e9ad |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |