CVE-2019-16201

CVE Details

Release Date:	2019-11-26
Impact:	None	What is this?

Description

WEBrick::HTTPAuth::DigestAuth in Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 has a regular expression Denial of Service cause by looping/backtracking. A victim must expose a WEBrick server that uses DigestAuth to the Internet or a untrusted network.

See more information about CVE-2019-16201 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	7.5
Vector String:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Version:	3.0
Attack Vector:	Network
Attack Complexity:	Low
Privileges Required:	None
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 8 (ruby)	ELSA-2021-2587	2021-07-02
Oracle Linux version 8 (ruby)	ELSA-2021-2588	2021-07-07
Oracle Linux version 8 (rubygem-abrt)	ELSA-2021-2587	2021-07-02
Oracle Linux version 8 (rubygem-abrt)	ELSA-2021-2588	2021-07-07
Oracle Linux version 8 (rubygem-bson)	ELSA-2021-2587	2021-07-02
Oracle Linux version 8 (rubygem-bson)	ELSA-2021-2588	2021-07-07
Oracle Linux version 8 (rubygem-bundler)	ELSA-2021-2587	2021-07-02
Oracle Linux version 8 (rubygem-mongo)	ELSA-2021-2587	2021-07-02
Oracle Linux version 8 (rubygem-mongo)	ELSA-2021-2588	2021-07-07
Oracle Linux version 8 (rubygem-mysql2)	ELSA-2021-2587	2021-07-02
Oracle Linux version 8 (rubygem-mysql2)	ELSA-2021-2588	2021-07-07
Oracle Linux version 8 (rubygem-pg)	ELSA-2021-2587	2021-07-02
Oracle Linux version 8 (rubygem-pg)	ELSA-2021-2588	2021-07-07