Lenovo Desktop BIOS SmuV11Dxe Driver buffer overflow

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 has been found in Lenovo Desktop BIOS and classified as critical. Affected by this vulnerability is an unknown functionality of the component SmuV11Dxe Driver. This manipulation causes buffer overflow. The identification of this vulnerability is CVE-2023-43579. The attack can only be executed locally. There is no exploit available.

Detailsinfo

A vulnerability has been found in Lenovo Desktop BIOS (the affected version unknown) and classified as critical. Affected by this vulnerability is an unknown part of the component SmuV11Dxe Driver. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A buffer overflow was reported in the SmuV11Dxe driver in some Lenovo Desktop products that may allow a local attacker with elevated privileges to execute arbitrary code.

The weakness was shared 11/09/2023. The advisory is shared at support.lenovo.com. This vulnerability is known as CVE-2023-43579 since 09/19/2023. Neither technical details nor an exploit are publicly available.

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

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

Productinfo

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License

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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: Buffer overflow
CWE: CWE-120 / 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

09/19/2023 🔍
11/09/2023 +51 days 🔍
11/09/2023 +0 days 🔍
11/09/2023 +0 days 🔍

Sourcesinfo

Vendor: lenovo.com

Advisory: support.lenovo.com
Status: Confirmed

CVE: CVE-2023-43579 (🔍)
GCVE (CVE): GCVE-0-2023-43579
GCVE (VulDB): GCVE-100-244849

Entryinfo

Created: 11/09/2023 04:07
Changes: 11/09/2023 04:07 (47)
Complete: 🔍
Cache ID: 216::103

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

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