CVE-2021-3330
CVSS V2 Medium 5.8
CVSS V3 High 8.8
Description
RCE/DOS: Linked-list corruption leading to large out-of-bounds write while sorting for forged fragment list in Zephyr. Zephyr versions >= >=2.4.0 contain Out-of-bounds Write (CWE-787). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-fj4r-373f-9456
Overview
- CVE ID
- CVE-2021-3330
- Assigner
- vulnerabilities@zephyrproject.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-10-12T22:15:08
- Last Modified Date
- 2021-10-18T18:17:36
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:* | 1 | OR | 2.4.0 | 2.5.0 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:A/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- ADJACENT_NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 5.8
- Severity
- MEDIUM
- Exploitability Score
- 6.5
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- ADJACENT_NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 8.8
- Base Severity
- HIGH
- Exploitability Score
- 2.8
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-fj4r-373f-9456 | Exploit Patch Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-3330 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3330 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:51:17 | Added to TrackCVE | |||
| 2022-12-05 12:17:13 | 2021-10-12T22:15Z | 2021-10-12T22:15:08 | CVE Published Date | updated |
| 2022-12-05 12:17:13 | 2021-10-18T18:17:36 | CVE Modified Date | updated | |
| 2022-12-05 12:17:13 | Analyzed | Vulnerability Status | updated |