CVE-2019-3978
CVSS V2 Medium 5
CVSS V3 High 7.5
Description
RouterOS versions 6.45.6 Stable, 6.44.5 Long-term, and below allow remote unauthenticated attackers to trigger DNS queries via port 8291. The queries are sent from the router to a server of the attacker's choice. The DNS responses are cached by the router, potentially resulting in cache poisoning
Overview
- CVE ID
- CVE-2019-3978
- Assigner
- vulnreport@tenable.com
- Vulnerability Status
- Analyzed
- Published Version
- 2019-10-29T19:15:20
- Last Modified Date
- 2019-11-01T14:46:55
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:mikrotik:routeros:*:*:*:*:ltr:*:*:* | 1 | OR | 6.44.5 | |
| cpe:2.3:o:mikrotik:routeros:*:*:*:*:-:*:*:* | 1 | OR | 6.45.6 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://www.tenable.com/security/research/tra-2019-46 | Third Party Advisory |
| http://packetstormsecurity.com/files/155036/MikroTik-RouterOS-6.45.6-DNS-Cache-Poisoning.html | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2019-3978 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3978 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 17:00:23 | Added to TrackCVE | |||
| 2022-12-04 05:09:33 | 2019-10-29T19:15Z | 2019-10-29T19:15:20 | CVE Published Date | updated |
| 2022-12-04 05:09:33 | 2019-11-01T14:46:55 | CVE Modified Date | updated | |
| 2022-12-04 05:09:33 | Analyzed | Vulnerability Status | updated |