Samsung Exynos Mobile Processor up to 9820 App integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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2.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Samsung Exynos Mobile Processor up to 9820 and classified as problematic. The impacted element is an unknown function of the component App Handler. Executing a manipulation can lead to integer overflow. This vulnerability appears as CVE-2023-40218. The attack requires local access. There is no available exploit.

Detailsinfo

A vulnerability was found in Samsung Exynos Mobile Processor up to 9820. It has been declared as problematic. This vulnerability affects an unknown code of the component App Handler. The manipulation with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. CVE summarizes:

An issue was discovered in the NPU kernel driver in Samsung Exynos Mobile Processor 9820, 980, 2100, 2200, 1280, and 1380. An integer overflow can bypass detection of error cases via a crafted application.

The weakness was presented 09/12/2023. The advisory is shared for download at semiconductor.samsung.com. This vulnerability was named CVE-2023-40218 since 08/10/2023. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-44815). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.4
VulDB Meta Temp Score: 2.4

VulDB Base Score: 2.0
VulDB Temp Score: 2.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.3
NVD Vector: 🔍

CNA Base Score: 2.0
CNA Vector (MITRE): 🔍

CVSSv2info

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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: Partially
Local: Yes
Remote: Partially

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

08/10/2023 🔍
09/12/2023 +33 days 🔍
09/12/2023 +0 days 🔍
01/27/2026 +868 days 🔍

Sourcesinfo

Vendor: samsung.com

Advisory: semiconductor.samsung.com
Status: Confirmed

CVE: CVE-2023-40218 (🔍)
GCVE (CVE): GCVE-0-2023-40218
GCVE (VulDB): GCVE-100-239488
EUVD: 🔍

Entryinfo

Created: 09/12/2023 18:04
Updated: 01/27/2026 18:32
Changes: 09/12/2023 18:04 (47), 10/10/2023 12:12 (11), 01/27/2026 18:32 (16)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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