CVE-2021-3155
CVSS V2 Low 2.1
CVSS V3 Medium 5.5
Description
snapd 2.54.2 and earlier created ~/snap directories in user home directories without specifying owner-only permissions. This could allow a local attacker to read information that should have been private. Fixed in snapd versions 2.54.3+18.04, 2.54.3+20.04 and 2.54.3+21.10.1
Overview
- CVE ID
- CVE-2021-3155
- Assigner
- security@ubuntu.com
- Vulnerability Status
- Analyzed
- Published Version
- 2022-02-17T23:15:07
- Last Modified Date
- 2022-02-25T21:32:12
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:canonical:snapd:*:*:*:*:*:*:*:* | 1 | OR | 2.54.3 | |
| cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:21.10:*:*:*:*:*:*:* | 1 | 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/snapcore/snapd/commit/6bcaeeccd16ed8298a301dd92f6907f88c24cc85 | Patch Third Party Advisory |
| https://ubuntu.com/security/notices/USN-5292-1 | Patch Vendor Advisory |
| https://github.com/snapcore/snapd/commit/7d2a966620002149891446a53cf114804808dcca | Patch Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-3155 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3155 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:31:22 | Added to TrackCVE | |||
| 2022-12-06 10:04:43 | 2022-02-17T23:15Z | 2022-02-17T23:15:07 | CVE Published Date | updated |
| 2022-12-06 10:04:43 | 2022-02-25T21:32:12 | CVE Modified Date | updated | |
| 2022-12-06 10:04:43 | Analyzed | Vulnerability Status | updated |