Lenovo Desktop BIOS/Smart Edge BIOS/ThinkStation BIOS NVRAM out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Lenovo Desktop BIOS, Smart Edge BIOS and ThinkStation BIOS and classified as critical. Impacted is an unknown function of the component NVRAM. Such manipulation leads to out-of-bounds. This vulnerability is referenced as CVE-2023-25494. The attack can only be performed from a local environment. No exploit is available.

Detailsinfo

A vulnerability was found in Lenovo Desktop BIOS, Smart Edge BIOS and ThinkStation BIOS (the affected version is unknown). It has been rated as critical. Affected by this issue is an unknown code of the component NVRAM. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A potential vulnerability were reported in the BIOS of some Desktop, Smart Edge, and ThinkStation products that could allow a local attacker with elevated privileges to write to NVRAM variables.

The weakness was published by Souhardya Sardar. The advisory is available at support.lenovo.com. This vulnerability is handled as CVE-2023-25494 since 02/06/2023. The exploitation is known to be easy. Local access is required to approach this attack. The exploitation requires an enhanced level of successful authentication. The technical details are unknown and an exploit is not available.

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

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Productinfo

Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.7

VulDB Base Score: 6.7
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.7
CNA Vector (Lenovo Group Ltd.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / 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

02/06/2023 🔍
04/06/2024 +424 days 🔍
04/06/2024 +0 days 🔍
04/06/2024 +0 days 🔍

Sourcesinfo

Vendor: lenovo.com

Advisory: support.lenovo.com
Researcher: Souhardya Sardar
Status: Confirmed

CVE: CVE-2023-25494 (🔍)
GCVE (CVE): GCVE-0-2023-25494
GCVE (VulDB): GCVE-100-259550

Entryinfo

Created: 04/06/2024 07:54
Changes: 04/06/2024 07:54 (62)
Complete: 🔍
Cache ID: 216::103

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