CVE-2021-3569
Published Jun 3, 2021
Last updated 2 years ago
Overview
- Description
- A stack corruption bug was found in libtpms in versions before 0.7.2 and before 0.8.0 while decrypting data using RSA. This flaw could result in a SIGBUS (bad memory access) and termination of swtpm. The highest threat from this vulnerability is to system availability.
- Source
- secalert@redhat.com
- NVD status
- Analyzed
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 5.5
- Impact score
- 3.6
- Exploitability score
- 1.8
- Vector string
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Severity
- MEDIUM
CVSS 2.0
- Type
- Primary
- Base score
- 2.1
- Impact score
- 2.9
- Exploitability score
- 3.9
- Vector string
- AV:L/AC:L/Au:N/C:N/I:N/A:P
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:libtpms_project:libtpms:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "AFABE0C3-6CD9-47A1-BD92-B49DE9F313F1",
"versionEndExcluding": "0.7.2"
},
{
"criteria": "cpe:2.3:a:libtpms_project:libtpms:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "23256772-50E1-470F-BDF7-849BB8835542",
"versionEndExcluding": "0.8.0",
"versionStartIncluding": "0.7.3"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:advanced_virtualization:*:*:*",
"vulnerable": true,
"matchCriteriaId": "3AA08768-75AF-4791-B229-AE938C780959"
}
],
"operator": "OR"
}
]
}
]