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CVE-2022-47630

Date: January 16, 2023

Trusted Firmware-A through 2.8 has an out-of-bounds read in the X.509 parser for parsing boot certificates. This affects downstream use of get_ext and auth_nvctr. Attackers might be able to trigger dangerous read side effects or obtain sensitive information about microarchitectural state.

Language: C

Severity Score

Related Resources (7)

https://nvd.nist.gov/vuln/detail/CVE-2022-47630
http://www.openwall.com/lists/oss-security/2023/01/16/8
https://security-tracker.debian.org/tracker/CVE-2022-47630
https://www.trustedfirmware.org/news/
https://trustedfirmware-a.readthedocs.io/en/latest/security_advisories/security-advisory-tfv-10.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-47630
https://www.mend.io/vulnerability-database/CVE-2022-47630

Severity Score

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): HIGH

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