CVE-2017-18594
CVSS V2 Medium 5
CVSS V3 High 7.5
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.
Overview
- CVE ID
- CVE-2017-18594
- Assigner
- cve@mitre.org
- Vulnerability Status
- Modified
- Published Version
- 2019-08-29T00:15:10
- Last Modified Date
- 2019-09-26T12:15:10
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:nmap:nmap:7.70:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.0
- Vector String
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/nmap/nmap/issues/1227 | Exploit Third Party Advisory |
| https://seclists.org/nmap-dev/2018/q2/45 | Mailing List 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://seclists.org/nmap-announce/2019/0 | Mailing List Third Party Advisory |
| https://github.com/AMatchandaHaystack/Research/blob/master/Nmap%26libsshDF | Third Party Advisory |
| http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00075.html | |
| http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00073.html |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2017-18594 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18594 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:45:41 | Added to TrackCVE | |||
| 2022-12-04 02:04:16 | 2019-08-29T00:15Z | 2019-08-29T00:15:10 | CVE Published Date | updated |
| 2022-12-04 02:04:16 | 2019-09-26T12:15:10 | CVE Modified Date | updated | |
| 2022-12-04 02:04:16 | Modified | Vulnerability Status | updated |