CVE Vulnerability

CVE-2020-26256

Fast-csv is an npm package for parsing and formatting CSVs or any other delimited value file in node. In fast-cvs before version 4.3.6 there is a possible ReDoS vulnerability (Regular Expression Denial of Service) when using ignoreEmpty option when parsing. This has been patched in `v4.3.6` You will only be affected by this if you use the `ignoreEmpty` parsing option. If you do use this option it is recommended that you upgrade to the latest version `v4.3.6` This vulnerability was found using a CodeQL query which identified `EMPTY_ROW_REGEXP` regular expression as vulnerable.

3.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 6.8 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/C2FO/fast-csv/commit/4bbd39f26a8cd7382151ab4f5fb102234b2f829e Patch Third Party Advisory
https://github.com/C2FO/fast-csv/security/advisories/GHSA-8cv5-p934-3hwp Third Party Advisory
https://www.npmjs.com/package/fast-csv Product Third Party Advisory
https://www.npmjs.com/package/@fast-csv/parse Product Third Party Advisory
https://lgtm.com/query/8609731774537641779/ Exploit Third Party Advisory
https://github.com/C2FO/fast-csv/issues/540 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:c2fo:fast-csv:*:*:*:*:*:node.js:*:*
Information

Published : 2020-12-08 10:15

Updated : 2021-10-07 05:08

NVD link : CVE-2020-26256

Mitre link : CVE-2020-26256

Products Affected
No products.
CWE
CWE-400