Multiple vulnerabilities in Trusted Computing Group TPM 2.0



Published: 2023-03-02 | Updated: 2023-03-03
Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2023-1017
CVE-2023-1018
CWE-ID CWE-787
CWE-125
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Trusted Platform Module (TPM) 2.0
Server applications / Other server solutions

Vendor

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Out-of-bounds write

EUVDB-ID: #VU72706

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-1017

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in the CryptParameterDecryption routine. A remote attacker can trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Trusted Platform Module (TPM) 2.0: before 1.59

External links

http://kb.cert.org/vuls/id/782720
http://trustedcomputinggroup.org/wp-content/uploads/TCGVRT0007-Advisory-FINAL.pdf
http://trustedcomputinggroup.org/about/security/
http://support.lenovo.com/us/en/product_security/LEN-118320
http://support.lenovo.com/us/en/product_security/LEN-118374


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Out-of-bounds read

EUVDB-ID: #VU72707

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-1018

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in the CryptParameterDecryption routine. A remote attacker can trigger an out-of-bounds read error and read contents of memory on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Trusted Platform Module (TPM) 2.0: before 1.59

External links

http://kb.cert.org/vuls/id/782720
http://trustedcomputinggroup.org/wp-content/uploads/TCGVRT0007-Advisory-FINAL.pdf
http://trustedcomputinggroup.org/about/security/
http://support.lenovo.com/us/en/product_security/LEN-118320
http://support.lenovo.com/us/en/product_security/LEN-118374


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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