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TenableCVE-2019-3978

HistoryOct 29, 2019 - 7:15 p.m.

CVE-2019-3978

2019-10-2919:15:20

CWE-306

tenable

web.nvd.nist.gov

122

routeros

cve-2019-3978

dns

remote attack

unauthenticated

cache poisoning

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

AI Score

7.6

Confidence

High

EPSS

0.012

Percentile

85.7%

JSON

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

Affected configurations

Nvd

Node

mikrotikrouterosRange≤6.44.5ltr

mikrotikrouterosRange≤6.45.6-

VendorProductVersionCPE
mikrotikrouteros*cpe:2.3:o:mikrotik:routeros:*:*:*:*:ltr:*:*:*
mikrotikrouteros*cpe:2.3:o:mikrotik:routeros:*:*:*:*:-:*:*:*

Vendor	Product	Version	CPE
mikrotik	routeros	*	cpe:2.3:o:mikrotik:routeros:::::ltr:::*
mikrotik	routeros	*	cpe:2.3:o:mikrotik:routeros:::::-:::*

CNA Affected

[
  {
    "product": "MikroTik RouterOS",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "RouterOS 6.45.6 Stable and below. RouterOS 6.44.5 Long-term and below."
      }
    ]
  }
]