VDB-269545 · CVE-2024-6285 · GCVE-0-2024-6285

Renesas rcar_gen3 2.5 integer underflow

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.
6.8	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Renesas rcar_gen3 2.5 and classified as critical. Affected by this issue is some unknown functionality. This manipulation causes integer underflow. This vulnerability is registered as CVE-2024-6285. The attack needs to be launched locally. No exploit is available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability has been found in Renesas rcar_gen3 2.5 and classified as critical. Affected by this vulnerability is an unknown part. The manipulation with an unknown input leads to a integer underflow vulnerability. The CWE definition for the vulnerability is CWE-191. The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Integer Underflow (Wrap or Wraparound) vulnerability in Renesas arm-trusted-firmware. An integer underflow in image range check calculations could lead to bypassing address restrictions and loading of images to unallowed addresses.

The weakness was published by Tomer Fichman as b596f580637bae919b0ac3a5471422a1f756db3b. The advisory is shared at github.com. This vulnerability is known as CVE-2024-6285. The exploitation appears to be difficult. An attack has to be approached locally. The exploitation requires an enhanced level of successful authentication. Neither technical details nor an exploit are publicly available.

Applying the patch b596f580637bae919b0ac3a5471422a1f756db3b is able to eliminate this problem.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Renesas

Name

rcar_gen3

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 6.4
VulDB Temp Score: 6.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.7
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector: 🔍

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: Integer underflow
CWE: CWE-191 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: b596f580637bae919b0ac3a5471422a1f756db3b

Timelineinfo

06/24/2024 🔍
06/24/2024 +0 days 🔍
06/27/2024 +3 days 🔍

Sourcesinfo

Advisory: b596f580637bae919b0ac3a5471422a1f756db3b
Researcher: Tomer Fichman
Status: Confirmed

CVE: CVE-2024-6285 (🔍)
GCVE (CVE): GCVE-0-2024-6285
GCVE (VulDB): GCVE-100-269545

Entryinfo

Created: 06/24/2024 17:52
Updated: 06/27/2024 05:55
Changes: 06/24/2024 17:52 (62), 06/27/2024 05:55 (10)
Complete: 🔍
Cache ID: 216::103