CVE-2021-23386
CVSS V2 Medium 4
CVSS V3 Medium 6.5
Description
This affects the package dns-packet before 5.2.2. It creates buffers with allocUnsafe and does not always fill them before forming network packets. This can expose internal application memory over unencrypted network when querying crafted invalid domain names.
Overview
- CVE ID
- CVE-2021-23386
- Assigner
- report@snyk.io
- Vulnerability Status
- Analyzed
- Published Version
- 2021-05-20T17:15:07
- Last Modified Date
- 2022-07-12T17:42:04
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:dns-packet_project:dns-packet:*:*:*:*:*:node.js:*:* | 1 | OR | 1.3.4 | |
| cpe:2.3:a:dns-packet_project:dns-packet:*:*:*:*:*:node.js:*:* | 1 | OR | 2.0.0 | 5.2.2 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:S/C:P/I:N/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 4
- Severity
- MEDIUM
- Exploitability Score
- 8
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 6.5
- Base Severity
- MEDIUM
- Exploitability Score
- 2.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1295719 | Patch Third Party Advisory |
| https://snyk.io/vuln/SNYK-JS-DNSPACKET-1293563 | Patch Third Party Advisory |
| https://hackerone.com/bugs?subject=user&%3Breport_id=968858 | Permissions Required Third Party Advisory |
| https://github.com/mafintosh/dns-packet/commit/25f15dd0fedc53688b25fd053ebbdffe3d5c1c56 | Patch Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-23386 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23386 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:14:14 | Added to TrackCVE | |||
| 2022-12-05 02:42:42 | 2021-05-20T17:15Z | 2021-05-20T17:15:07 | CVE Published Date | updated |
| 2022-12-05 02:42:42 | 2022-07-12T17:42:04 | CVE Modified Date | updated | |
| 2022-12-05 02:42:42 | Analyzed | Vulnerability Status | updated |