Vulnerability Details : CVE-2019-3979
RouterOS versions 6.45.6 Stable, 6.44.5 Long-term, and below are vulnerable to a DNS unrelated data attack. The router adds all A records to its DNS cache even when the records are unrelated to the domain that was queried. Therefore, a remote attacker controlled DNS server can poison the router's DNS cache via malicious responses with additional and untrue records.
Products affected by CVE-2019-3979
- cpe:2.3:o:mikrotik:routeros:*:*:*:*:-:*:*:*
- cpe:2.3:o:mikrotik:routeros:*:*:*:*:ltr:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-3979
0.13%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 48 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-3979
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:N |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2019-3979
-
The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-3979
-
https://www.tenable.com/security/research/tra-2019-46
MikroTik RouterOS Multiple Vulnerabilities - Research Advisory | TenableĀ®Third Party Advisory
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