Samsung Exynos 2200/Exynos 1480/Exynos 2400 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.
8.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Samsung Exynos 2200, Exynos 1480 and Exynos 2400. It has been classified as critical. This affects an unknown function. This manipulation causes out-of-bounds write. This vulnerability is handled as CVE-2024-31956. It is possible to launch the attack on the local host. There is not any exploit available.

Detailsinfo

A vulnerability was found in Samsung Exynos 2200, Exynos 1480 and Exynos 2400 (unknown version). It has been declared as critical. Affected by this vulnerability is an unknown code block. 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. The summary by CVE is:

An issue was discovered in Samsung Mobile Processor Exynos 2200, Exynos 1480, Exynos 2400. It lacks proper buffer length checking, which can result in an Out-of-Bounds Write.

The advisory is shared at semiconductor.samsung.com. This vulnerability is known as CVE-2024-31956 since 04/08/2024. The exploitation appears to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/14/2025).

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-2024-29814). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 8.0

VulDB Base Score: 7.8
VulDB Temp Score: 7.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 8.4
CNA Vector (MITRE): 🔍

CVSSv2info

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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: Partially
Local: Yes
Remote: No

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

04/08/2024 🔍
06/13/2024 +66 days 🔍
06/13/2024 +0 days 🔍
06/14/2025 +366 days 🔍

Sourcesinfo

Vendor: samsung.com

Advisory: semiconductor.samsung.com
Status: Confirmed

CVE: CVE-2024-31956 (🔍)
GCVE (CVE): GCVE-0-2024-31956
GCVE (VulDB): GCVE-100-268441
EUVD: 🔍

Entryinfo

Created: 06/13/2024 20:01
Updated: 06/14/2025 17:14
Changes: 06/13/2024 20:01 (60), 07/16/2024 18:58 (12), 06/14/2025 17:14 (2)
Complete: 🔍
Cache ID: 216::103

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

Discussion

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