VDB-252940 · CVE-2023-6234 · GCVE-0-2023-6234

Canon Satera LBP670C up to 03.07 CPCA Color LUT Resource Download Process out-of-bounds write

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.
9.8	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Canon Satera LBP670C, Satera MF750C, Color imageCLASS LBP674C, Color imageCLASS X LBP1333C, Color imageCLASS MF750C, Color imageCLASS X MF1333C, i-SENSYS LBP673Cdw, C1333P, i-SENSYS MF750C and C1333i up to 03.07. The affected element is an unknown function of the component CPCA Color LUT Resource Download Process. Executing a manipulation can lead to out-of-bounds write. This vulnerability is registered as CVE-2023-6234. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability has been found in Canon Satera LBP670C, Satera MF750C, Color imageCLASS LBP674C, Color imageCLASS X LBP1333C, Color imageCLASS MF750C, Color imageCLASS X MF1333C, i-SENSYS LBP673Cdw, C1333P, i-SENSYS MF750C and C1333i up to 03.07 and classified as very critical. This vulnerability affects some unknown functionality of the component CPCA Color LUT Resource Download Process. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Buffer overflow in CPCA Color LUT Resource Download process of Office Multifunction Printers and Laser Printers(*) which may allow an attacker on the network segment to trigger the affected product being unresponsive or to execute arbitrary code.*: Satera LBP670C Series/Satera MF750C Series firmware v03.07 and earlier sold in Japan. Color imageCLASS LBP674C/Color imageCLASS X LBP1333C/Color imageCLASS MF750C Series/Color imageCLASS X MF1333C Series firmware v03.07 and earlier sold in US. i-SENSYS LBP673Cdw/C1333P/i-SENSYS MF750C Series/C1333i Series firmware v03.07 and earlier sold in Europe.

The weakness was published 02/06/2024. The advisory is shared for download at psirt.canon. This vulnerability was named CVE-2023-6234 since 11/21/2023. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 02/06/2024).

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Canon

Name

Version

03.07

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

CNA Base Score: 9.8
CNA Vector (Canon Inc.): 🔍

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: Out-of-bounds write
CWE: CWE-787 / 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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/21/2023 🔍
02/06/2024 +77 days 🔍
02/06/2024 +0 days 🔍
02/29/2024 +23 days 🔍

Sourcesinfo

Advisory: psirt.canon
Status: Confirmed

CVE: CVE-2023-6234 (🔍)
GCVE (CVE): GCVE-0-2023-6234
GCVE (VulDB): GCVE-100-252940

Entryinfo

Created: 02/06/2024 04:16
Updated: 02/29/2024 14:53
Changes: 02/06/2024 04:16 (47), 02/29/2024 14:53 (1)
Complete: 🔍
Cache ID: 216::103