CVE-2020-27174
CVSS V2 Medium 5
CVSS V3 High 7.5
Description
In Amazon AWS Firecracker before 0.21.3, and 0.22.x before 0.22.1, the serial console buffer can grow its memory usage without limit when data is sent to the standard input. This can result in a memory leak on the microVM emulation thread, possibly occupying more memory than intended on the host.
Overview
- CVE ID
- CVE-2020-27174
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2020-10-16T05:15:11
- Last Modified Date
- 2021-07-21T11:39:23
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:amazon:firecracker:*:*:*:*:*:*:*:* | 1 | OR | 0.21.3 | |
| cpe:2.3:a:amazon:firecracker:*:*:*:*:*:*:*:* | 1 | OR | 0.22.0 | 0.22.1 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/firecracker-microvm/firecracker/pull/2179 | Patch Third Party Advisory |
| https://github.com/firecracker-microvm/firecracker/pull/2178 | Patch Third Party Advisory |
| https://github.com/firecracker-microvm/firecracker/issues/2177 | Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2020/10/23/1 | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-27174 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27174 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:04:14 | Added to TrackCVE | |||
| 2022-12-05 00:10:04 | 2020-10-16T05:15Z | 2020-10-16T05:15:11 | CVE Published Date | updated |
| 2022-12-05 00:10:04 | 2021-07-21T11:39:23 | CVE Modified Date | updated | |
| 2022-12-05 00:10:04 | Analyzed | Vulnerability Status | updated |