VDB-97309 · CVE-2017-6297 · BID 96447

MikroTik RouterOS 6.37.4/6.83.3 L2TP Client IPsec 7pk security

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in MikroTik RouterOS 6.37.4/6.83.3. This vulnerability affects unknown code of the component L2TP Client. This manipulation causes 7pk security (IPsec). The identification of this vulnerability is CVE-2017-6297. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to apply extra encryption.

Detailsinfo

A vulnerability classified as critical was found in MikroTik RouterOS 6.37.4/6.83.3 (Router Operating System). Affected by this vulnerability is some unknown functionality of the component L2TP Client. The manipulation with an unknown input leads to a 7pk security vulnerability (IPsec). The CWE definition for the vulnerability is CWE-254. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The L2TP Client in MikroTik RouterOS versions 6.83.3 and 6.37.4 does not enable IPsec encryption after a reboot, which allows man-in-the-middle attackers to view transmitted data unencrypted and gain access to networks on the L2TP server by monitoring the packets for the transmitted data and obtaining the L2TP secret.

The bug was discovered 03/13/2018. The weakness was shared 02/27/2017 by ryan (Website). The advisory is shared at blog.milne.it. This vulnerability is known as CVE-2017-6297 since 02/23/2017. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1211 for this issue.

It is possible to mitigate the problem by adding IPsec as an encryption mechanism.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 96447†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.6
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: IPsec
Class: 7pk security / IPsec
CWE: CWE-254
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 103115
OpenVAS Name: MikroTik RouterOS L2TP Man-in-the-Middle Attack Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Encryption
Status: 🔍

0-Day Time: 🔍

Encryption: IPsec

Timelineinfo

02/23/2017 🔍
02/24/2017 +1 days 🔍
02/27/2017 +3 days 🔍
02/27/2017 +0 days 🔍
02/27/2017 +0 days 🔍
03/13/2018 +379 days 🔍
09/02/2020 +904 days 🔍

Sourcesinfo

Advisory: blog.milne.it
Researcher: ryan
Status: Not defined

CVE: CVE-2017-6297 (🔍)
GCVE (CVE): GCVE-0-2017-6297
GCVE (VulDB): GCVE-100-97309
SecurityFocus: 96447 - MikroTik RouterOS CVE-2017-6297 Man in The Middle Security Bypass Vulnerability
OSVDB: - CVE-2017-6297 - MikroTik - RouterOS - Man-In-The-Middle Issue

Entryinfo

Created: 02/27/2017 21:06
Updated: 09/02/2020 15:27
Changes: 02/27/2017 21:06 (65), 09/02/2020 15:27 (5)
Complete: 🔍
Cache ID: 216:BE2:103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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