InsydeH2O up to 5.5 SMM Driver information disclosure

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in InsydeH2O up to 5.5. The impacted element is an unknown function of the component SMM Driver. Executing a manipulation can lead to information disclosure. This vulnerability is registered as CVE-2022-35896. No exploit is available.

Detailsinfo

A vulnerability classified as problematic was found in InsydeH2O up to 5.5. This vulnerability affects some unknown functionality of the component SMM Driver. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. CVE summarizes:

An issue SMM memory leak vulnerability in SMM driver (SMRAM was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An attacker can dump SMRAM contents via the software SMI provided by the FvbServicesRuntimeDxe driver to read the contents of SMRAM, leading to information disclosure.

The weakness was published 09/22/2022 as BRLY-2022-025. The advisory is shared for download at binarly.io. This vulnerability was named CVE-2022-35896 since 07/15/2022. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

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

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.7
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.0
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

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

07/15/2022 🔍
09/22/2022 +69 days 🔍
09/22/2022 +0 days 🔍
10/22/2022 +30 days 🔍

Sourcesinfo

Advisory: BRLY-2022-025
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-35896 (🔍)
GCVE (CVE): GCVE-0-2022-35896
GCVE (VulDB): GCVE-100-209260

Entryinfo

Created: 09/22/2022 07:40
Updated: 10/22/2022 08:16
Changes: 09/22/2022 07:40 (39), 10/22/2022 08:16 (11)
Complete: 🔍
Cache ID: 216::103

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