TI-2023-00963 Aliases CVE-2023-1018 GHSA-cr8w-xxqw-fm2m

TPM2.0 vulnerable to out-of-bounds read

LOW 33CWE-125Published 2023-02-28 · Updated 2025-11-04

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Information disclosure
Confidentiality · integrity · availability: High · None · None
Fix status: Partial Red Hat: 5 fixed, 1 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-125 and the CVSS impact.

Summary

An out-of-bounds read vulnerability exists in TPM2.0's Module Library allowing a 2-byte read past the end of a TPM2.0 command in the CryptParameterDecryption routine. An attacker who can successfully exploit this vulnerability can read or access sensitive data stored in the TPM.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.05552 92nd percentileScored 2026-11-07

Fix Partial Red Hat: 3 advisoriesRed Hat: 5 fixed, 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Trusted Computing Group	TPM2.0	1.59	—	No fix listed	CNA
Trusted Computing Group	TPM2.0	1.38	—	No fix listed	CNA
Trusted Computing Group	TPM2.0	1.16	—	No fix listed	CNA

TPM2.0 VendorTrusted Computing Group Affected 1.59 Fixed in — No fix listed CNA
TPM2.0 VendorTrusted Computing Group Affected 1.38 Fixed in — No fix listed CNA
TPM2.0 VendorTrusted Computing Group Affected 1.16 Fixed in — No fix listed CNA

CPE configurations NVD · 14

CPE	Versions	Role	Vendor
cpe:2.3:a:trustedcomputinggroup:trusted_platform_module:2.0:revision_1.16::::::	2.0 revision_1.16	Vulnerable	Trusted Computing Group
cpe:2.3:a:trustedcomputinggroup:trusted_platform_module:2.0:revision_1.38::::::	2.0 revision_1.38	Vulnerable	Trusted Computing Group
cpe:2.3:a:trustedcomputinggroup:trusted_platform_module:2.0:revision_1.59::::::	2.0 revision_1.59	Vulnerable	Trusted Computing Group
cpe:2.3:o:microsoft:windows_10_1507:::::::x64:*	before 10.0.10240.19805	Vulnerable	Microsoft
cpe:2.3:o:microsoft:windows_10_1607:::::::x64:*	before 10.0.14393.5786	Vulnerable	Microsoft
cpe:2.3:o:microsoft:windows_10_1809:::::::x64:*	before 10.0.17763.4131	Vulnerable	Microsoft
cpe:2.3:o:microsoft:windows_10_20h2:::::::x64:*	before 10.0.19042.2728	Vulnerable	Microsoft
cpe:2.3:o:microsoft:windows_10_21h2:::::::x64:*	before 10.0.19044.2728	Vulnerable	Microsoft
cpe:2.3:o:microsoft:windows_10_22h2:::::::x64:*	before 10.0.19045.2728	Vulnerable	Microsoft
cpe:2.3:o:microsoft:windows_11_21h2:::::::x64:*	before 10.0.22000.1696	Vulnerable	Microsoft

cpe:2.3:a:trustedcomputinggroup:trusted_platform_module:2.0:revision_1.16:*:*:*:*:*:* Versions 2.0 revision_1.16 Vulnerable ·Trusted Computing Group
cpe:2.3:a:trustedcomputinggroup:trusted_platform_module:2.0:revision_1.38:*:*:*:*:*:* Versions 2.0 revision_1.38 Vulnerable ·Trusted Computing Group
cpe:2.3:a:trustedcomputinggroup:trusted_platform_module:2.0:revision_1.59:*:*:*:*:*:* Versions 2.0 revision_1.59 Vulnerable ·Trusted Computing Group
cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x64:* Versions before 10.0.10240.19805 Vulnerable ·Microsoft
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:* Versions before 10.0.14393.5786 Vulnerable ·Microsoft
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* Versions before 10.0.17763.4131 Vulnerable ·Microsoft
cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:x64:* Versions before 10.0.19042.2728 Vulnerable ·Microsoft
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:* Versions before 10.0.19044.2728 Vulnerable ·Microsoft
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:* Versions before 10.0.19045.2728 Vulnerable ·Microsoft
cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:x64:* Versions before 10.0.22000.1696 Vulnerable ·Microsoft

Show 4 more CPE

CPE	Versions	Role	Vendor
cpe:2.3:o:microsoft:windows_11_22h2:::::::x64:*	before 10.0.22621.1413	Vulnerable	Microsoft
cpe:2.3:o:microsoft:windows_server_2016::::::::	before 10.0.14393.5786	Vulnerable	Microsoft
cpe:2.3:o:microsoft:windows_server_2019::::::::	before 10.0.17763.4131	Vulnerable	Microsoft
cpe:2.3:o:microsoft:windows_server_2022::::::::	before 10.0.20348.1607	Vulnerable	Microsoft

cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:x64:* Versions before 10.0.22621.1413 Vulnerable ·Microsoft
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* Versions before 10.0.14393.5786 Vulnerable ·Microsoft
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* Versions before 10.0.17763.4131 Vulnerable ·Microsoft
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* Versions before 10.0.20348.1607 Vulnerable ·Microsoft

Remediation

Red Hat 3 advisories

RHSA-2023:2757 Released 2023-05-16 · Red Hat rating Moderate
virt:rhel and virt-devel:rhel security, bug fix, and enhancement update
- Red Hat Enterprise Linux AppStream (v. 8) SLOF-20210217-1.module+el8.8.0+16781+9f4724c2.noarch::virt:rhel, SLOF-20210217-1.module+el8.8.0+16781+9f4724c2.src::virt:rhel, hivex-1.3.18-23.module+el8.8.0+16781+9f4724c2.aarch64::virt:rhel +47
- Red Hat Enterprise Linux CRB (v. 8) SLOF-20210217-1.module+el8.8.0+16781+9f4724c2.src::virt-devel:rhel, hivex-1.3.18-23.module+el8.8.0+16781+9f4724c2.i686::virt-devel:rhel, hivex-devel-1.3.18-23.module+el8.8.0+16781+9f4724c2.i686::virt-devel:rhel +47
RHSA-2023:2453 Released 2023-05-09 · Red Hat rating Moderate
libtpms security update
- Red Hat Enterprise Linux AppStream (v. 9) libtpms-0.9.1-3.20211126git1ff6fe1f43.el9_2
RHSA-2023:1833 Released 2023-04-18 · Red Hat rating Moderate
virt:rhel and virt-devel:rhel security and bug fix update
- Red Hat CodeReady Linux Builder EUS (v.8.6) SLOF-20210217-1.module+el8.6.0+14480+c0a3aa0f.src::virt-devel:rhel, hivex-1.3.18-23.module+el8.6.0+14480+c0a3aa0f.i686::virt-devel:rhel, hivex-devel-1.3.18-23.module+el8.6.0+14480+c0a3aa0f.i686::virt-devel:rhel +47
- Red Hat Enterprise Linux AppStream EUS (v.8.6) SLOF-20210217-1.module+el8.6.0+14480+c0a3aa0f.noarch::virt:rhel, SLOF-20210217-1.module+el8.6.0+14480+c0a3aa0f.src::virt:rhel, hivex-1.3.18-23.module+el8.6.0+14480+c0a3aa0f.aarch64::virt:rhel +47

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Product	Status	Plan or fix
Red Hat Enterprise Linux 8 Advanced Virtualization	Affected	No fix yet
Red Hat CodeReady Linux Builder EUS (v.8.6)	Fixed	RHSA-2023:1833
Red Hat Enterprise Linux AppStream (v. 8)	Fixed	RHSA-2023:2757
Red Hat Enterprise Linux AppStream (v. 9)	Fixed	RHSA-2023:2453
Red Hat Enterprise Linux AppStream EUS (v.8.6)	Fixed	RHSA-2023:1833
Red Hat Enterprise Linux CRB (v. 8)	Fixed	RHSA-2023:2757

Timeline

2026-10-02 Threatist record created from CVE-2023-1018
2026-10-03 Alias added: GHSA-cr8w-xxqw-fm2m

References

Advisory 3

TI-2023-00962 TPM2.0 vulnerable to out-of-bounds write CVSS 3.1HIGH 7.8
TI-2018-04880 An issue was discovered that affects all producers of BIOS firmware who make a certain… CVSS 3.0HIGH 7.1
TI-2020-16360 Trusted Computing Group (TCG) Trusted Platform Module Library Family 2.0 Library… CVSS 3.1HIGH 7.2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences