Samsung Smart Phone Shannon Baseband mm_LteInterRatManagement.c buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Samsung Smart Phone. This issue affects some unknown processing of the file mm_LteInterRatManagement.c of the component Shannon Baseband. Performing a manipulation results in buffer overflow. This vulnerability is known as CVE-2023-21503. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Samsung Smart Phone (Smartphone Operating System) (version now known). This affects some unknown processing of the file mm_LteInterRatManagement.c of the component Shannon Baseband. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Potential buffer overflow vulnerability in mm_LteInterRatManagement.c in Shannon baseband prior to SMR May-2023 Release 1 allows remote attackers to cause invalid memory access.

The weakness was published 05/05/2023. The advisory is shared at security.samsungmobile.com. This vulnerability is uniquely identified as CVE-2023-21503 since 11/14/2022. Technical details are known, but no exploit is available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-25671). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 5.6
CNA Vector (Samsung Mobile): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/14/2022 🔍
05/05/2023 +171 days 🔍
05/05/2023 +0 days 🔍
09/18/2025 +867 days 🔍

Sourcesinfo

Vendor: samsung.com

Advisory: security.samsungmobile.com
Status: Confirmed

CVE: CVE-2023-21503 (🔍)
GCVE (CVE): GCVE-0-2023-21503
GCVE (VulDB): GCVE-100-228045
EUVD: 🔍

Entryinfo

Created: 05/05/2023 07:20
Updated: 09/18/2025 02:17
Changes: 05/05/2023 07:20 (50), 05/28/2023 07:06 (11), 09/18/2025 02:17 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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