High severity · published Jan 16, 2023
CVE-2022-47630
Trusted Firmware-A through 2.8 has an out-of-bounds read in the X.509 parser for parsing boot certificates
7.4
CVSS
0.6%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TF
Trusted Firmware-a · Trustedfirmware
1.2 through 2.8 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-47630
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-47630
Mailing List
http://www.openwall.com/lists/oss-security/2023/01/16/8
Patch
https://trustedfirmware-a.readthedocs.io/en/latest/security_advisories/security-advisory-tfv-10.html
Vendor Advisory
https://www.trustedfirmware.org/news/
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