Lenovo BIOS SWSMI_Shadow DXE Driver 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, which was classified as problematic, has been found in Lenovo BIOS. This impacts an unknown function of the component SWSMI_Shadow DXE Driver. The manipulation leads to out-of-bounds. This vulnerability is uniquely identified as CVE-2023-45075. Local access is required to approach this attack. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Lenovo BIOS (affected version unknown). This issue affects an unknown functionality of the component SWSMI_Shadow DXE Driver. 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. The summary by CVE is:

A memory leakage vulnerability was reported in the SWSMI_Shadow DXE driver that may allow a local attacker with elevated privileges to write to NVRAM variables.

The weakness was disclosed 11/09/2023 by Souhardya Sardar. It is possible to read the advisory at support.lenovo.com. The identification of this vulnerability is CVE-2023-45075 since 10/03/2023. The technical details are unknown and an exploit is not publicly available.

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

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

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

10/03/2023 🔍
11/09/2023 +37 days 🔍
11/09/2023 +0 days 🔍
11/09/2023 +0 days 🔍

Sourcesinfo

Vendor: lenovo.com

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

CVE: CVE-2023-45075 (🔍)
GCVE (CVE): GCVE-0-2023-45075
GCVE (VulDB): GCVE-100-244847

Entryinfo

Created: 11/09/2023 04:07
Changes: 11/09/2023 04:07 (48)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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