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saintSAINT CorporationSAINT:B286E0668612E50B6EDE4736AA55189C
HistoryApr 02, 2018 - 12:00 a.m.

MicroTik RouterOS SMB buffer overflow

2018-04-0200:00:00
SAINT Corporation
my.saintcorporation.com
581

10 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

0.855 High

EPSS

Percentile

98.6%

Added: 04/02/2018
CVE: CVE-2018-7445
BID: 103427

Background

RouterOS is a Linux-based operating system used by MicroTik devices.

Problem

A buffer overflow in the SMB service could allow a remote, unauthenticated attacker to execute arbitrary commands.

Resolution

Upgrade to RouterOS 6.41.3 or higher, or disable the SMB service.

References

<http://seclists.org/fulldisclosure/2018/Mar/38&gt;

Platforms

Linux

10 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

0.855 High

EPSS

Percentile

98.6%