CVE-2024-52878
Last modified
CVE-2024-52878 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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, VariableServicesSetVariable () can be called by gRT_>SetVariable () or the SmmSetSensitiveVariable () or SmmInternalSetVariable () from SMM. EPSS estimates a 0.40% chance of exploitation in the next 30 days.
Description
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, VariableServicesSetVariable () can be called by gRT_>SetVariable () or the SmmSetSensitiveVariable () or SmmInternalSetVariable () from SMM. In VariableServicesSetVariable (), it uses StrSize () to get variable name size, uses StrLen () to get variable name length and uses StrCmp () to compare strings. These actions may cause a buffer over-read.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Insyde | Insydeh2o | >= 5.2, < 5.2.05.29.50 |
| Insyde | Insydeh2o | >= 5.3, < 5.3.05.38.50 |
| Insyde | Insydeh2o | >= 5.4, < 5.4.05.46.50 |
| Insyde | Insydeh2o | >= 5.5, < 5.5.05.54.50 |
| Insyde | Insydeh2o | >= 5.6, < 5.6.05.61.50 |
| Insyde | Insydeh2o | >= 5.7, < 5.7.05.70.50 |
References
- https://www.insyde.com/security-pledgeVendor Advisory
- https://www.insyde.com/security-pledge/sa-2024016/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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