CVE-2022-47630

Summary

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• https://www.trustedfirmware.org/news/
• https://trustedfirmware-a.readthedocs.io/en/latest/security_advisories/security-advisory-tfv-10.html
• http://www.openwall.com/lists/oss-security/2023/01/16/8

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://www.trustedfirmware.org/news/
• https://trustedfirmware-a.readthedocs.io/en/latest/security_advisories/security-advisory-tfv-10.html
• http://www.openwall.com/lists/oss-security/2023/01/16/8

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