Mikrotik RouterOS up to 7.4 Hotspot Process out-of-bounds

EntryHistoryDiffjsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.4	$0-$5k	0.00

A vulnerability, which was classified as problematic, was found in Mikrotik RouterOS up to 7.4 (Router Operating System). This affects an unknown part of the component Hotspot Process Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The software reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Mikrotik RouterOs before stable v7.5 was discovered to contain an out-of-bounds read in the hotspot process. This vulnerability allows attackers to execute arbitrary code via a crafted nova message.

The weakness was presented 12/06/2022. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2022-45313 since 11/14/2022. Technical details are unknown but a public exploit is available.

It is declared as proof-of-concept. The exploit is shared for download at github.com.

Upgrading to version 7.5 eliminates this vulnerability.

Productinfo

Type

Router Operating System

Vendor

Mikrotik

Name

RouterOS

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔒

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: RouterOS 7.5

Timelineinfo

11/14/2022 CVE reserved
12/06/2022 +22 days Advisory disclosed
12/06/2022 +0 days VulDB entry created
12/26/2022 +20 days VulDB last update

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2022-45313 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 12/06/2022 09:14 AM
Updated: 12/26/2022 12:47 PM
Changes: 12/06/2022 09:14 AM (44), 12/26/2022 12:47 PM (11)
Complete: 🔍