Lenovo ThinkPadX13s BIOS buffer over-read

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Lenovo ThinkPadX13s. It has been declared as critical. Affected is an unknown function of the component BIOS. The manipulation results in buffer over-read. This vulnerability is cataloged as CVE-2022-4434. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Lenovo ThinkPadX13s (version now known). Affected is some unknown processing of the component BIOS. The manipulation with an unknown input leads to a buffer over-read vulnerability. CWE is classifying the issue as CWE-126. The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A buffer over-read vulnerability was reported in the ThinkPadX13s BIOS driver that could allow a local attacker with elevated privileges to cause information disclosure.

The weakness was shared 01/05/2023. The advisory is shared for download at support.lenovo.com. This vulnerability is traded as CVE-2022-4434 since 12/12/2022. There are neither technical details nor an exploit publicly available.

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

Once again VulDB remains the best 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: 6.1
VulDB Meta Temp Score: 6.1

VulDB Base Score: 7.2
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.4
NVD Vector: 🔍

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 over-read
CWE: CWE-126 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/12/2022 🔍
01/05/2023 +24 days 🔍
01/05/2023 +0 days 🔍
01/29/2023 +24 days 🔍

Sourcesinfo

Vendor: lenovo.com

Advisory: support.lenovo.com
Status: Confirmed

CVE: CVE-2022-4434 (🔍)
GCVE (CVE): GCVE-0-2022-4434
GCVE (VulDB): GCVE-100-217524

Entryinfo

Created: 01/05/2023 22:08
Updated: 01/29/2023 08:12
Changes: 01/05/2023 22:08 (46), 01/29/2023 08:12 (11)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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