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saintSAINT CorporationSAINT:236DD0AA7A1C91EAB4A377080B59E3E6
HistoryApr 02, 2018 - 12:00 a.m.

MicroTik RouterOS SMB buffer overflow

2018-04-0200:00:00
SAINT Corporation
download.saintcorporation.com
16

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

10 High

CVSS2

Access Vector

NETWORK

Access 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

0.881 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

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

10 High

CVSS2

Access Vector

NETWORK

Access 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

0.881 High

EPSS

Percentile

98.6%