CVE-2022-34301

Description

A flaw was found in CryptoPro Secure Disk bootloaders before 2022-06-01. An attacker may use this bootloader to bypass or tamper with Secure Boot protections. In order to load and execute arbitrary code in the pre-boot stage, an attacker simply needs to replace the existing signed bootloader currently in use with this bootloader. Access to the EFI System Partition is required for booting using external media.

6.7

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 0.06%

Third-Party Advisory gitbook.io Third-Party Advisory cert.org

Affected: n/a n/a

References

Link	Tags
https://edk2-docs.gitbook.io/understanding-the-uefi-secure-boot-chain/secure_boot_chain_in_uefi/uefi_secure_boot	third party advisory
https://www.kb.cert.org/vuls/id/309662	third party advisory us government resource
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01001.html

Frequently Asked Questions

What is the severity of CVE-2022-34301?: CVE-2022-34301 has been scored as a medium severity vulnerability.
How to fix CVE-2022-34301?: To fix CVE-2022-34301, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-34301 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2022-34301 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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