CVE-2020-26302

Published: Dic 22, 2022 Last Modified: Nov 21, 2024 EU-VD ID: EUVD-2023-2119 Aliases: GHSA-pvrw-g6fx-mcx2
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 7,5
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high

Description

AI Translation Available

is.js is a general-purpose check library. Versions 0.9.0 and prior contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). is.js uses a regex copy-pasted from a gist to validate URLs. Trying to validate a malicious string can cause the regex to loop “forever.' This vulnerability was found using a CodeQL query which identifies inefficient regular expressions. is.js has no patch for this issue.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0020
Percentile
0,4th
Updated

EPSS Score Trend (Last 90 Days)

400

Uncontrolled Resource Consumption

Draft
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Availability Access Control Other
Potential Impacts:
Dos: Crash, Exit, Or Restart Dos: Resource Consumption (Cpu) Dos: Resource Consumption (Memory) Dos: Resource Consumption (Other) Bypass Protection Mechanism Other
Applicable Platforms
All platforms may be affected
Likelihood of Exploit: High
View CWE Details
1333

Inefficient Regular Expression Complexity

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Availability
Potential Impacts:
Dos: Resource Consumption (Cpu)
Applicable Platforms
All platforms may be affected
Likelihood of Exploit: High
View CWE Details
Application

Is.Js by Is.Js Project

Product Information
Vendor Is.Js Project
Product Is.Js
Version Range Affected
To 0.9.0 (inclusive)
cpe:2.3:a:is.js_project:is.js:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://github.com/arasatasaygin/is.js/issues/320
Issue Tracking Third Party Advisory
https://github.com/arasatasaygin/is.js/issues/320
https://securitylab.github.com/advisories/GHSL-2020-295-red…
Exploit Third Party Advisory
https://securitylab.github.com/advisories/GHSL-2020-295-redos-is.js
https://github.com/arasatasaygin/is.js/issues/320
Issue Tracking Third Party Advisory
https://github.com/arasatasaygin/is.js/issues/320
https://securitylab.github.com/advisories/GHSL-2020-295-red…
Exploit Third Party Advisory
https://securitylab.github.com/advisories/GHSL-2020-295-redos-is.js