Lenovo BIOS 534D0740 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 marked as problematic has been reported in Lenovo BIOS. Impacted is an unknown function of the component 534D0740 DXE Driver. This manipulation causes out-of-bounds. This vulnerability appears as CVE-2023-45077. The attack requires local access. There is no available exploit.

Detailsinfo

A vulnerability was found in Lenovo BIOS (the affected version is unknown). It has been declared as critical. Affected by this vulnerability is an unknown code of the component 534D0740 DXE Driver. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads 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:

A memory leakage vulnerability was reported in the 534D0740 DXE driver that may allow a local attacker with elevated privileges to write to NVRAM variables.

The weakness was presented 11/09/2023 by Souhardya Sardar. It is possible to read the advisory at support.lenovo.com. This vulnerability is known as CVE-2023-45077 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.

Statistical analysis made it clear that VulDB provides the best quality for 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: 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-2023-45077 (🔍)
GCVE (CVE): GCVE-0-2023-45077
GCVE (VulDB): GCVE-100-244843

Entryinfo

Created: 11/09/2023 04:06
Changes: 11/09/2023 04:06 (48)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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