CVE-2020-24455
CVSS V2 Medium 4.6
CVSS V3 Medium 6.7
Description
Missing initialization of a variable in the TPM2 source may allow a privileged user to potentially enable an escalation of privilege via local access. This affects tpm2-tss before 3.0.1 and before 2.4.3.
Overview
- CVE ID
- CVE-2020-24455
- Assigner
- secure@intel.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-02-26T03:15:12
- Last Modified Date
- 2022-07-30T03:49:24
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 | 2.4.3 | |
| cpe:2.3:a:tpm2_software_stack_project:tpm2_software_stack:*:*:*:*:*:*:*:* | 1 | OR | 3.0.0 | 3.0.1 |
| cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 4.6
- Severity
- MEDIUM
- Exploitability Score
- 3.9
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- HIGH
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 6.7
- Base Severity
- MEDIUM
- Exploitability Score
- 0.8
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1902167 | Issue Tracking Patch Third Party Advisory |
| https://github.com/tpm2-software/tpm2-tss/releases/tag/3.0.1 | Release Notes Third Party Advisory |
| https://github.com/tpm2-software/tpm2-tss/releases/tag/2.4.3 | Release Notes Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7KPOENCMJU4DMT3BDNUBRK25B3DJ47UO/ | Mailing List Third Party Advisory |
| https://security.gentoo.org/glsa/202107-10 |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-24455 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-24455 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:08:40 | Added to TrackCVE | |||
| 2022-12-05 22:50:42 | 2021-02-26T03:15Z | 2021-02-26T03:15:12 | CVE Published Date | updated |
| 2022-12-05 22:50:42 | 2022-07-30T03:49:24 | CVE Modified Date | updated | |
| 2022-12-05 22:50:42 | Analyzed | Vulnerability Status | updated |