CVE-2021-23827
CVSS V2 Low 2.1
CVSS V3 Medium 5.5
Description
Keybase Desktop Client before 5.6.0 on Windows and macOS, and before 5.6.1 on Linux, allows an attacker to obtain potentially sensitive media (such as private pictures) in the Cache and uploadtemps directories. It fails to effectively clear cached pictures, even after deletion via normal methodology within the client, or by utilizing the "Explode message/Explode now" functionality. Local filesystem access is needed by the attacker.
Overview
- CVE ID
- CVE-2021-23827
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-02-23T00:15:12
- Last Modified Date
- 2021-09-08T17:23:01
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:a:keybase:keybase:*:*:*:*:*:*:*:* | 1 | OR | 5.6.0 | |
| cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:keybase:keybase:*:*:*:*:*:*:*:* | 1 | OR | 5.6.1 | |
| cpe:2.3:o:redhat:linux:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:P/I:N/A:N
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 2.1
- Severity
- LOW
- Exploitability Score
- 3.9
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 5.5
- Base Severity
- MEDIUM
- Exploitability Score
- 1.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/keybase/client/releases | Release Notes Third Party Advisory |
| https://johnjhacking.com/blog/cve-2021-23827/ | Exploit Third Party Advisory |
| https://hackerone.com/reports/1074930 | Exploit Issue Tracking Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-23827 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23827 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:06:41 | Added to TrackCVE | |||
| 2022-12-05 22:36:45 | 2021-02-23T00:15Z | 2021-02-23T00:15:12 | CVE Published Date | updated |
| 2022-12-05 22:36:45 | 2021-09-08T17:23:01 | CVE Modified Date | updated | |
| 2022-12-05 22:36:45 | Analyzed | Vulnerability Status | updated |