CVE-2019-16201

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.

CVSS v3.0 7.5 HIGH
CVSS v2.0 7.8 HIGH

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

7.8^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:C

Exploitability : 10.0 / Impact : 6.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://hackerone.com/reports/661722	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/11/msg00025.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/12/msg00009.html
https://seclists.org/bugtraq/2019/Dec/32
https://seclists.org/bugtraq/2019/Dec/31
https://www.debian.org/security/2019/dsa-4587
https://www.oracle.com/security-alerts/cpujan2020.html
https://security.gentoo.org/glsa/202003-06
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00041.html
https://lists.debian.org/debian-lts-announce/2020/08/msg00027.html

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:ruby-lang:ruby::::::::
	cpe:2.3:a:ruby-lang:ruby::::::::
	cpe:2.3:a:ruby-lang:ruby::::::::

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

Information

Published : 2019-11-26 10:15

Updated : 2020-08-16 08:15

NVD link : CVE-2019-16201

Mitre link : CVE-2019-16201

JSON object : View

CWE

CWE-287

Improper Authentication

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Products Affected

debian

debian_linux

ruby-lang

ruby

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