Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.006
EPSS Ranking 69.0%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 7.8
References
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00041.html
- https://hackerone.com/reports/661722
- https://lists.debian.org/debian-lts-announce/2019/11/msg00025.html
- https://lists.debian.org/debian-lts-announce/2019/12/msg00009.html
- https://lists.debian.org/debian-lts-announce/2020/08/msg00027.html
- https://lists.debian.org/debian-lts-announce/2023/04/msg00033.html
- https://seclists.org/bugtraq/2019/Dec/31
- https://seclists.org/bugtraq/2019/Dec/32
- https://security.gentoo.org/glsa/202003-06
- https://www.debian.org/security/2019/dsa-4587
- https://www.oracle.com/security-alerts/cpujan2020.html
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00041.html
- https://hackerone.com/reports/661722
- https://lists.debian.org/debian-lts-announce/2019/11/msg00025.html
- https://lists.debian.org/debian-lts-announce/2019/12/msg00009.html
- https://lists.debian.org/debian-lts-announce/2020/08/msg00027.html
- https://lists.debian.org/debian-lts-announce/2023/04/msg00033.html
- https://seclists.org/bugtraq/2019/Dec/31
- https://seclists.org/bugtraq/2019/Dec/32
- https://security.gentoo.org/glsa/202003-06
- https://www.debian.org/security/2019/dsa-4587
- https://www.oracle.com/security-alerts/cpujan2020.html
Products affected by CVE-2019-16201
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cpe:2.3:a:ruby-lang:ruby:2.4.0
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cpe:2.3:a:ruby-lang:ruby:2.4.1
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cpe:2.3:a:ruby-lang:ruby:2.4.2
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cpe:2.3:a:ruby-lang:ruby:2.4.3
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cpe:2.3:a:ruby-lang:ruby:2.4.4
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cpe:2.3:a:ruby-lang:ruby:2.4.5
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cpe:2.3:a:ruby-lang:ruby:2.4.6
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cpe:2.3:a:ruby-lang:ruby:2.4.7
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cpe:2.3:a:ruby-lang:ruby:2.5.0
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cpe:2.3:a:ruby-lang:ruby:2.5.1
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cpe:2.3:a:ruby-lang:ruby:2.5.2
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cpe:2.3:a:ruby-lang:ruby:2.5.3
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cpe:2.3:a:ruby-lang:ruby:2.5.4
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cpe:2.3:a:ruby-lang:ruby:2.5.5
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cpe:2.3:a:ruby-lang:ruby:2.5.6
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cpe:2.3:a:ruby-lang:ruby:2.6.0
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cpe:2.3:a:ruby-lang:ruby:2.6.1
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cpe:2.3:a:ruby-lang:ruby:2.6.2
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cpe:2.3:a:ruby-lang:ruby:2.6.3
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cpe:2.3:a:ruby-lang:ruby:2.6.4
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cpe:2.3:o:debian:debian_linux:8.0