MikroTik RouterOS up to 6.40.8/6.42.6 HTTP Server Disconnect memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability has been found in MikroTik RouterOS up to 6.40.8/6.42.6 and classified as problematic. Impacted is an unknown function of the component HTTP Server. The manipulation leads to memory corruption (Disconnect). This vulnerability is documented as CVE-2018-1159. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in MikroTik RouterOS up to 6.40.8/6.42.6 (Router Operating System) and classified as problematic. This issue affects an unknown part of the component HTTP Server. The manipulation with an unknown input leads to a memory corruption vulnerability (Disconnect). Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is availability. The summary by CVE is:

Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to a memory corruption vulnerability. An authenticated remote attacker can crash the HTTP server by rapidly authenticating and disconnecting.

The bug was discovered 08/22/2018. The weakness was released 08/23/2018 (Website). The advisory is shared at mikrotik.com. The identification of this vulnerability is CVE-2018-1159 since 12/04/2017. The exploitation is known to be easy. The attack may be initiated remotely. A simple authentication is necessary for exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 112114 (MikroTik RouterOS < 6.40.9 / 6.42.7 / 6.43 multiple vulnerabilities.), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 13255 (MikroTik RouterOS Multiple Vulnerabilities).

Upgrading to version 6.40.9 or 6.42.7 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (112114). Entries connected to this vulnerability are available at VDB-123158, VDB-123159 and VDB-123160. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
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: Disconnect
Class: Memory corruption / Disconnect
CWE: CWE-119
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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Nessus ID: 112114
Nessus Name: MikroTik RouterOS < 6.40.9 / 6.42.7 / 6.43 multiple vulnerabilities.
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: RouterOS 6.40.9/6.42.7

Timelineinfo

12/04/2017 🔍
08/20/2018 +258 days 🔍
08/22/2018 +2 days 🔍
08/23/2018 +0 days 🔍
08/23/2018 +0 days 🔍
08/24/2018 +1 days 🔍
08/24/2018 +0 days 🔍
03/17/2020 +571 days 🔍

Sourcesinfo

Advisory: mikrotik.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-1159 (🔍)
GCVE (CVE): GCVE-0-2018-1159
GCVE (VulDB): GCVE-100-123161
See also: 🔍

Entryinfo

Created: 08/24/2018 06:43
Updated: 03/17/2020 15:58
Changes: 08/24/2018 06:43 (73), 03/17/2020 15:58 (3)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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