VulnerabilityModified
CVE-2022-47630
Trusted Firmware-A through 2.8 has an out-of-bounds read in the X.509 parser for parsing boot certificates.
HIGH 7.4EPSS 0.63%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.63%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.4 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H
- EPSS
- 0.63% probability · 48th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- trustedfirmware/trusted firmware-a
- Source
- cve@mitre.org
References
- http://www.openwall.com/lists/oss-security/2023/01/16/8Mailing List, Patch, Third Party Advisory
- https://trustedfirmware-a.readthedocs.io/en/latest/security_advisories/security-advisory-tfv-10.htmlPatch, Vendor Advisory
- https://www.trustedfirmware.org/news/Vendor Advisory
- http://www.openwall.com/lists/oss-security/2023/01/16/8Mailing List, Patch, Third Party Advisory
- https://trustedfirmware-a.readthedocs.io/en/latest/security_advisories/security-advisory-tfv-10.htmlPatch, Vendor Advisory
- https://www.trustedfirmware.org/news/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.