Executive Summary
| Informations | |||
|---|---|---|---|
| Name | CVE-2021-3505 | First vendor Publication | 2021-04-19 |
| Vendor | Cve | Last vendor Modification | 2023-11-07 |
Security-Database Scoring CVSS v3
| Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N | |||
|---|---|---|---|
| Overall CVSS Score | 5.5 | ||
| Base Score | 5.5 | Environmental Score | 5.5 |
| impact SubScore | 3.6 | Temporal Score | 5.5 |
| Exploitabality Sub Score | 1.8 | ||
| Attack Vector | Local | Attack Complexity | Low |
| Privileges Required | Low | User Interaction | None |
| Scope | Unchanged | Confidentiality Impact | High |
| Integrity Impact | None | Availability Impact | None |
| Calculate full CVSS 3.0 Vectors scores | |||
Security-Database Scoring CVSS v2
| Cvss vector : (AV:L/AC:L/Au:N/C:P/I:N/A:N) | |||
|---|---|---|---|
| Cvss Base Score | 2.1 | Attack Range | Local |
| Cvss Impact Score | 2.9 | Attack Complexity | Low |
| Cvss Expoit Score | 3.9 | Authentication | None Required |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
| A flaw was found in libtpms in versions before 0.8.0. The TPM 2 implementation returns 2048 bit keys with ~1984 bit strength due to a bug in the TCG specification. The bug is in the key creation algorithm in RsaAdjustPrimeCandidate(), which is called before the prime number check. The highest threat from this vulnerability is to data confidentiality. |
Original Source
| Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3505 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 100 % | CWE-331 | Insufficient Entropy |
CPE : Common Platform Enumeration
| Type | Description | Count |
|---|---|---|
| Application | 1 | |
| Os | 1 | |
| Os | 1 |
Sources (Detail)
| Source | Url |
|---|---|
| MISC | https://bugzilla.redhat.com/show_bug.cgi?id=1950046 https://github.com/stefanberger/libtpms/issues/183 |
Alert History
| Date | Informations |
|---|---|
| 2023-11-07 21:35:11 |
|
| 2021-06-03 21:23:19 |
|
| 2021-05-05 09:23:15 |
|
| 2021-05-04 13:23:33 |
|
| 2021-04-27 21:23:10 |
|
| 2021-04-20 09:22:54 |
|
| 2021-04-20 05:22:57 |
|
