Insyde InsydeH2O up to 05.70.49 VariableRuntimeDxe Driver SmmUpdateVariablePropertySmi comparison

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Insyde InsydeH2O up to 05.70.49. Affected by this issue is the function SmmUpdateVariablePropertySmi of the component VariableRuntimeDxe Driver. The manipulation results in comparison. This vulnerability is known as CVE-2024-52879. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, was found in Insyde InsydeH2O up to 05.70.49. Affected is the function SmmUpdateVariablePropertySmi of the component VariableRuntimeDxe Driver. The manipulation with an unknown input leads to a comparison vulnerability. CWE is classifying the issue as CWE-697. The product compares two entities in a security-relevant context, but the comparison is incorrect, which may lead to resultant weaknesses. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in Insyde InsydeH2O kernel 5.2 before version 05.29.50, kernel 5.3 before version 05.38.50, kernel 5.4 before version 05.46.50, kernel 5.5 before version 05.54.50, kernel 5.6 before version 05.61.50, and kernel 5.7 before version 05.70.50. In VariableRuntimeDxe driver, SmmUpdateVariablePropertySmi () is a SMM callback function and it uses StrCmp () to compare variable names. This action may cause a buffer over-read.

The advisory is available at insyde.com. This vulnerability is traded as CVE-2024-52879 since 11/17/2024. Technical details are known, but there is no available exploit.

Upgrading to version 05.29.50, 05.38.50, 05.46.50, 05.54.50, 05.61.50 or 05.70.50 eliminates this vulnerability.

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

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.6

VulDB Base Score: 8.0
VulDB Temp Score: 7.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Comparison
CWE: CWE-697
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: InsydeH2O 05.29.50/05.38.50/05.46.50/05.54.50/05.61.50/05.70.50

Timelineinfo

11/17/2024 🔍
05/15/2025 +178 days 🔍
05/15/2025 +0 days 🔍
08/15/2025 +92 days 🔍

Sourcesinfo

Advisory: insyde.com
Status: Confirmed

CVE: CVE-2024-52879 (🔍)
GCVE (CVE): GCVE-0-2024-52879
GCVE (VulDB): GCVE-100-309090

Entryinfo

Created: 05/15/2025 18:02
Updated: 08/15/2025 19:56
Changes: 05/15/2025 18:02 (55), 08/15/2025 19:56 (1)
Complete: 🔍
Cache ID: 216::103

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

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