TPM2.0 vulnerable to out-of-bounds read
Published Feb 28, 2023
5.5
MEDIUMCVSS 3.1
EPSS 5.55%
Description
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.
Affected products
-
- Version 1.16StatusaffectedConstraints-
- Version 1.38StatusaffectedConstraints-
- Version 1.59StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Trusted Computing Group | TPM2.0 | n/a |
|
Configuration 1
- 2.0
- 2.0
- 2.0
Configuration 2
- < 10.0.10240.19805
- < 10.0.14393.5786
- < 10.0.17763.4131
- < 10.0.19042.2728
- < 10.0.19044.2728
- < 10.0.19045.2728
- < 10.0.22000.1696
- < 10.0.22621.1413
- < 10.0.14393.5786
- < 10.0.17763.4131
- < 10.0.20348.1607
No data.
Red Hat Enterprise Linux 8
virt-devel:rhel-8080020230410211546.fd72936b
Fixed · RHSA-2023:2757
Red Hat Enterprise Linux 8
virt:rhel-8080020230410211546.fd72936b
Fixed · RHSA-2023:2757
Red Hat Enterprise Linux 8.6 Extended Update Support
virt-devel:rhel-8060020230403063348.ad008a3a
Fixed · RHSA-2023:1833
Red Hat Enterprise Linux 8.6 Extended Update Support
virt:rhel-8060020230403063348.ad008a3a
Fixed · RHSA-2023:1833
Red Hat Enterprise Linux 9
libtpms-0:0.9.1-3.20211126git1ff6fe1f43.el9_2
Fixed · RHSA-2023:2453
Red Hat Enterprise Linux 8 Advanced Virtualization
virt:8.2/libtpms
Will not fix
Red Hat Enterprise Linux 8 Advanced Virtualization
virt:8.3/libtpms
Will not fix
Red Hat Enterprise Linux 8 Advanced Virtualization
virt:av/libtpms
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 8 | virt-devel:rhel-8080020230410211546.fd72936b | Fixed | RHSA-2023:2757 |
| Red Hat Enterprise Linux 8 | virt:rhel-8080020230410211546.fd72936b | Fixed | RHSA-2023:2757 |
| Red Hat Enterprise Linux 8.6 Extended Update Support | virt-devel:rhel-8060020230403063348.ad008a3a | Fixed | RHSA-2023:1833 |
| Red Hat Enterprise Linux 8.6 Extended Update Support | virt:rhel-8060020230403063348.ad008a3a | Fixed | RHSA-2023:1833 |
| Red Hat Enterprise Linux 9 | libtpms-0:0.9.1-3.20211126git1ff6fe1f43.el9_2 | Fixed | RHSA-2023:2453 |
| Red Hat Enterprise Linux 8 Advanced Virtualization | virt:8.2/libtpms | Will not fix | n/a |
| Red Hat Enterprise Linux 8 Advanced Virtualization | virt:8.3/libtpms | Will not fix | n/a |
| Red Hat Enterprise Linux 8 Advanced Virtualization | virt:av/libtpms | Affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Mar 7, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2023–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.55% (0.05552) | 92.60th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.55% (0.05552) | 91.81th | v5 (v2026.06.15) |
| Nov 18, 2025 | 1.35% (0.01347) | 78.38th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.15% (0.00151) | 33.13th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.05% (0.00050) | 21.71th | v3 (v2023.03.01) |
| Apr 21, 2024 | 0.05% (0.00050) | 18.35th | v3 (v2023.03.01) |
| Apr 17, 2024 | 0.04% (0.00045) | 14.24th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00045) | 12.21th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00890) | 30.33th | v2 (v2022.01.01) |
| Mar 1, 2023 | 0.89% (0.00890) | 30.30th | v2 (v2022.01.01) |
References (8)
- https://access.redhat.com/security/cve/CVE-2023-1018 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2149420 Issue Tracking
- https://kb.cert.org/vuls/id/782720 Third Party AdvisoryUS Government Resource
- https://nvd.nist.gov/vuln/detail/CVE-2023-1018
- https://trustedcomputinggroup.org/about/security/ Vendor Advisory
- https://trustedcomputinggroup.org/wp-content/uploads/TCGVRT0007-Advisory-FINAL.pdf Vendor Advisory
- https://www.cve.org/CVERecord?id=CVE-2023-1018
- https://www.kb.cert.org/vuls/id/782720
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2023-1018 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2149420 | Issue Tracking | |
| https://kb.cert.org/vuls/id/782720 | Third Party AdvisoryUS Government Resource | |
| https://nvd.nist.gov/vuln/detail/CVE-2023-1018 | ||
| https://trustedcomputinggroup.org/about/security/ | Vendor Advisory | |
| https://trustedcomputinggroup.org/wp-content/uploads/TCGVRT0007-Advisory-FINAL.pdf | Vendor Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2023-1018 | ||
| https://www.kb.cert.org/vuls/id/782720 |
Change history (0)
No recorded changes yet.