InsydeH2O up to 5.5 SMM memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

A vulnerability was found in InsydeH2O up to 5.5 and classified as critical. Affected by this issue is an unknown functionality of the component SMM Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. There is an SMM memory corruption vulnerability in the Software SMI handler in the PnpSmm driver.

The weakness was shared 09/29/2022 as BRLY-2022-023. The advisory is available at binarly.io. This vulnerability is handled as CVE-2022-36448 since 07/25/2022. The technical details are unknown and an exploit is not available.

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.2
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/25/2022 🔍
09/29/2022 +66 days 🔍
09/29/2022 +0 days 🔍
10/25/2022 +26 days 🔍

Sourcesinfo

Advisory: BRLY-2022-023
Status: Not defined

CVE: CVE-2022-36448 (🔍)
GCVE: GCVE-0-2022-36448

Entryinfo

Created: 09/29/2022 07:35 AM
Updated: 10/25/2022 07:47 AM
Changes: 09/29/2022 07:35 AM (38), 10/25/2022 07:47 AM (11)
Complete: 🔍
Cache ID: 18:E8C:40

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