TPM2.0 vulnerable to out-of-bounds write
CVE-2023-1017

7.8HIGH

Key Information:

Vendor

Trusted Computing Group

Status
Tpm2.0
Vendor
CVE Published:
28 February 2023

What is CVE-2023-1017?

An out-of-bounds write vulnerability in the TPM2.0 Module Library can be exploited due to improper handling of data in the CryptParameterDecryption routine. This flaw allows an attacker to write 2 bytes of data past the boundaries of the TPM2.0 command, potentially resulting in a denial of service. This can crash the TPM chip or process and may also enable arbitrary code execution within the TPM context, posing significant risks to systems relying on trusted computing features.

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Affected Version(s)

TPM2.0 1.59

TPM2.0 1.38

TPM2.0 1.19

References

https://trustedcomputinggroup.org/wp-content/uploads/TCGV...
https://trustedcomputinggroup.org/about/security/
https://kb.cert.org/vuls/id/782720

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Francisco Falcon of Quarkslab
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