A vulnerability classified as critical has been found in MicroTik RouterOS (Router Operating System). Affected is some unknown processing. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, and integrity. CVE summarizes:

MicroTik RouterOS 3.x through 3.13 and 2.x through 2.9.51 allows remote attackers to modify Network Management System (NMS) settings via a crafted SNMP set request.

The weakness was disclosed 08/19/2009 (Website). The advisory is available at milw0rm.com. This vulnerability is traded as CVE-2008-6976 since 08/17/2009. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available.

A public exploit has been developed by ShadOS in ANSI C and been published even before and not after the advisory. The exploit is shared for download at securityfocus.com. It is declared as functional. The vulnerability was handled as a non-public zero-day exploit for at least 348 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (44944), Exploit-DB (6366) and SecurityFocus (BID 31025†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Router Operating System

Vendor

• MicroTik

Name

• RouterOS

Version

• 2.9.40
• 2.9.41
• 2.9.42
• 2.9.43
• 2.9.44
• 2.9.45
• 2.9.46
• 2.9.47
• 2.9.48
• 2.9.49
• 2.9.50
• 2.9.51
• 3.07
• 3.08
• 3.09
• 3.10
• 3.11
• 3.12
• 3.13

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

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• 🔍
• 🔍

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