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CVE-2020-1920

Good to know:

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Date: June 1, 2021

A regular expression denial of service (ReDoS) vulnerability in the validateBaseUrl function can cause the application to use excessive resources, become unresponsive, or crash. This was introduced in react-native version 0.59.0 and fixed in version 0.64.1.

Language: JS

Severity Score

Related Resources (7)

https://github.com/facebook/react-native/releases/tag/v0.64.1
https://github.com/facebook/react-native/releases/tag/v0.62.3
https://github.com/facebook/react-native/commit/ca09ae82715e33c9ac77b3fa55495cf84ba891c7
https://securitylab.github.com/advisories/GHSL-2020-293-redos-react-native
https://www.npmjs.com/package/react-native
https://nvd.nist.gov/vuln/detail/CVE-2020-1920
https://www.mend.io/vulnerability-database/CVE-2020-1920

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption

CWE-400

Insufficient Information

NVD-CWE-noinfo

Incorrect Comparison

CWE-697

Inefficient Regular Expression Complexity

CWE-1333

Top Fix

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Upgrade to version react-native - 0.62.3;react-native - 0.64.1

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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