VDB-228083 · CVE-2023-0856 · EUVD-2023-12854

Canon imageCLASS MF743Cdw IPP Sides 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.
9.1	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in Canon imageCLASS MF743Cdw. This impacts an unknown function of the component IPP Sides. The manipulation leads to stack-based overflow. This vulnerability is listed as CVE-2023-0856. The attack must be carried out from within the local network. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Canon imageCLASS MF743Cdw (affected version not known) and classified as critical. This issue affects some unknown functionality of the component IPP Sides. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to 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). Impacted is confidentiality, integrity, and availability.

The weakness was presented 05/05/2023. It is possible to read the advisory at zerodayinitiative.com. The identification of this vulnerability is CVE-2023-0856 since 02/16/2023. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-12854). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Canon

Name

imageCLASS MF743Cdw

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 9.1

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (MITRE): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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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: No
Local: No
Remote: Yes

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/16/2023 🔍
05/05/2023 +77 days 🔍
05/05/2023 +0 days 🔍
07/12/2025 +799 days 🔍

Sourcesinfo

Advisory: zerodayinitiative.com
Status: Confirmed

CVE: CVE-2023-0856 (🔍)
GCVE (CVE): GCVE-0-2023-0856
GCVE (VulDB): GCVE-100-228083
EUVD: 🔍

Entryinfo

Created: 05/05/2023 08:23
Updated: 07/12/2025 20:17
Changes: 05/05/2023 08:23 (37), 05/28/2023 09:30 (1), 05/28/2023 09:34 (12), 07/12/2025 20:17 (16)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.