CVE-2020-27348
CVSS V2 Medium 4.4
CVSS V3 Medium 6.8
Description
In some conditions, a snap package built by snapcraft includes the current directory in LD_LIBRARY_PATH, allowing a malicious snap to gain code execution within the context of another snap if both plug the home interface or similar. This issue affects snapcraft versions prior to 4.4.4, prior to 2.43.1+16.04.1, and prior to 2.43.1+18.04.1.
Overview
- CVE ID
- CVE-2020-27348
- Assigner
- security@ubuntu.com
- Vulnerability Status
- Analyzed
- Published Version
- 2020-12-04T03:15:12
- Last Modified Date
- 2020-12-14T20:36:00
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:canonical:snapcraft:*:*:*:*:*:*:*:* | 1 | OR | 4.4.4 | |
| cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:M/Au:N/C:P/I:P/A:P
- Access Vector
- LOCAL
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 4.4
- Severity
- MEDIUM
- Exploitability Score
- 3.4
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:L
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- LOW
- Base Score
- 6.8
- Base Severity
- MEDIUM
- Exploitability Score
- 1.3
- Impact Score
- 5.5
References
| Reference URL | Reference Tags |
|---|---|
| https://usn.ubuntu.com/usn/usn-4661-1 | Patch Third Party Advisory |
| https://github.com/snapcore/snapcraft/pull/3345 | Third Party Advisory |
| https://bugs.launchpad.net/bugs/1901572 | Exploit Issue Tracking Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-27348 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27348 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:30:28 | Added to TrackCVE | |||
| 2022-12-05 17:36:32 | 2020-12-04T03:15Z | 2020-12-04T03:15:12 | CVE Published Date | updated |
| 2022-12-05 17:36:32 | 2020-12-14T20:36:00 | CVE Modified Date | updated | |
| 2022-12-05 17:36:32 | Analyzed | Vulnerability Status | updated |