CVE-2023-22745
CVSS V2 None
CVSS V3 None
Description
tpm2-tss is an open source software implementation of the Trusted Computing Group (TCG) Trusted Platform Module (TPM) 2 Software Stack (TSS2). In affected versions `Tss2_RC_SetHandler` and `Tss2_RC_Decode` both index into `layer_handler` with an 8 bit layer number, but the array only has `TPM2_ERROR_TSS2_RC_LAYER_COUNT` entries, so trying to add a handler for higher-numbered layers or decode a response code with such a layer number reads/writes past the end of the buffer. This Buffer overrun, could result in arbitrary code execution. An example attack would be a MiTM bus attack that returns 0xFFFFFFFF for the RC. Given the common use case of TPM modules an attacker must have local access to the target machine with local system privileges which allows access to the TPM system. Usually TPM access requires administrative privilege.
Overview
- CVE ID
- CVE-2023-22745
- Assigner
- security-advisories@github.com
- Vulnerability Status
- Analyzed
- Published Version
- 2023-01-19T23:15:26
- Last Modified Date
- 2023-01-26T20:25:23
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:tpm2_software_stack_project:tpm2_software_stack:*:*:*:*:*:*:*:* | 1 | OR | 4.0.0 |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2023-22745 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-22745 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2023-01-20 00:18:04 | Added to TrackCVE | |||
| 2023-01-20 00:18:04 | Weakness Enumeration | new | ||
| 2023-01-20 02:14:13 | 2023-01-20T01:44:33 | CVE Modified Date | updated | |
| 2023-01-20 02:14:13 | Received | Awaiting Analysis | Vulnerability Status | updated |
| 2023-01-26 15:13:41 | Awaiting Analysis | Undergoing Analysis | Vulnerability Status | updated |
| 2023-01-26 23:15:31 | 2023-01-26T20:25:23 | CVE Modified Date | updated | |
| 2023-01-26 23:15:31 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |
| 2023-01-26 23:15:34 | CPE Information | updated |