VDB-196341 · CVE-2022-1068 · icsa-22-088-04

Modbus Slave up to 7.4.2 Registration Field stack-based overflow

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.
4.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Modbus Slave up to 7.4.2. It has been classified as critical. This affects an unknown part of the component Registration Field Handler. Performing a manipulation results in stack-based overflow. This vulnerability is identified as CVE-2022-1068. The attack is only possible with local access. There is not any exploit available.

Detailsinfo

A vulnerability was found in Modbus Slave up to 7.4.2. It has been classified as problematic. This affects an unknown code block of the component Registration Field Handler. The manipulation with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on availability.

The weakness was released 04/02/2022 as icsa-22-088-04. The advisory is shared at cisa.gov. This vulnerability is uniquely identified as CVE-2022-1068 since 03/24/2022. Neither technical details nor an exploit are publicly available.

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

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Productinfo

Vendor

Modbus

Name

Slave

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.5
CNA Vector (ICS-CERT): 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/24/2022 🔍
04/02/2022 +8 days 🔍
04/02/2022 +0 days 🔍
04/05/2022 +3 days 🔍

Sourcesinfo

Advisory: icsa-22-088-04
Status: Not defined

CVE: CVE-2022-1068 (🔍)
GCVE (CVE): GCVE-0-2022-1068
GCVE (VulDB): GCVE-100-196341

Entryinfo

Created: 04/02/2022 09:34
Updated: 04/05/2022 14:54
Changes: 04/02/2022 09:34 (48), 04/05/2022 14:54 (1)
Complete: 🔍
Cache ID: 216::103