CVE-2020-8244
CVSS V2 Medium 6.4
CVSS V3 Medium 6.5
Description
A buffer over-read vulnerability exists in bl <4.0.3, <3.0.1, <2.2.1, and <1.2.3 which could allow an attacker to supply user input (even typed) that if it ends up in consume() argument and can become negative, the BufferList state can be corrupted, tricking it into exposing uninitialized memory via regular .slice() calls.
Overview
- CVE ID
- CVE-2020-8244
- Assigner
- support@hackerone.com
- Vulnerability Status
- Analyzed
- Published Version
- 2020-08-30T15:15:12
- Last Modified Date
- 2022-05-24T17:31:33
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:bufferlist_project:bufferlist:*:*:*:*:*:node.js:*:* | 1 | OR | 1.2.3 | |
| cpe:2.3:a:bufferlist_project:bufferlist:*:*:*:*:*:node.js:*:* | 1 | OR | 2.0.0 | 2.2.1 |
| cpe:2.3:a:bufferlist_project:bufferlist:*:*:*:*:*:node.js:*:* | 1 | OR | 3.0.0 | 3.0.1 |
| cpe:2.3:a:bufferlist_project:bufferlist:*:*:*:*:*:node.js:*:* | 1 | OR | 4.0.0 | 4.0.3 |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 6.4
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 4.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- LOW
- Availability Impact
- LOW
- Base Score
- 6.5
- Base Severity
- MEDIUM
- Exploitability Score
- 3.9
- Impact Score
- 2.5
References
| Reference URL | Reference Tags |
|---|---|
| https://hackerone.com/reports/966347 | Exploit Patch Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/06/msg00028.html |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-8244 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8244 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:09:17 | Added to TrackCVE | |||
| 2022-12-04 21:43:07 | cve-assignments@hackerone.com | support@hackerone.com | CVE Assigner | updated |
| 2022-12-04 21:43:07 | 2020-08-30T15:15Z | 2020-08-30T15:15:12 | CVE Published Date | updated |
| 2022-12-04 21:43:07 | 2022-05-24T17:31:33 | CVE Modified Date | updated | |
| 2022-12-04 21:43:07 | Analyzed | Vulnerability Status | updated |