Canon imageCLASS MF644Cdw BJNP integer 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.
9.5$0-$5k0.00

Summaryinfo

A vulnerability labeled as very critical has been found in Canon imageCLASS MF644Cdw. This impacts an unknown function of the component BJNP Handler. The manipulation results in integer overflow. This vulnerability is reported as CVE-2022-43608. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Canon imageCLASS MF644Cdw (the affected version unknown). It has been classified as very critical. Affected is an unknown part of the component BJNP Handler. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 12/15/2022 as ZDI-22-1666. The advisory is available at zerodayinitiative.com. This vulnerability is traded as CVE-2022-43608 since 10/21/2022. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 12/15/2022).

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

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.5

VulDB Base Score: 9.8
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/21/2022 🔍
12/15/2022 +55 days 🔍
12/15/2022 +0 days 🔍
12/15/2022 +0 days 🔍

Sourcesinfo

Advisory: ZDI-22-1666
Status: Not defined

CVE: CVE-2022-43608 (🔍)
GCVE (CVE): GCVE-0-2022-43608
GCVE (VulDB): GCVE-100-215862

Entryinfo

Created: 12/15/2022 10:01
Changes: 12/15/2022 10:01 (36)
Complete: 🔍
Cache ID: 216::103

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