CVE Vulnerabilities

CVE-2019-16201

Improper Authentication

Published: Nov 26, 2019 | Modified: Apr 30, 2023
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
7.8 HIGH
AV:N/AC:L/Au:N/C:N/I:N/A:C
RedHat/V2
RedHat/V3
7.5 MODERATE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Ubuntu
MEDIUM

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.

Weakness

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Affected Software

Name Vendor Start Version End Version
Ruby Ruby-lang 2.4.0 (including) 2.4.7 (including)
Ruby Ruby-lang 2.5.0 (including) 2.5.6 (including)
Ruby Ruby-lang 2.6.0 (including) 2.6.4 (including)
Red Hat Enterprise Linux 8 RedHat ruby:2.5-8040020200923213910.522a0ee4 *
Red Hat Enterprise Linux 8 RedHat ruby:2.6-8040020210430142949.522a0ee4 *
Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions RedHat ruby:2.6-8010020220201152941.c27ad7f8 *
Red Hat Enterprise Linux 8.2 Extended Update Support RedHat ruby:2.6-8020020220201131207.4cda2c84 *
Red Hat Software Collections for Red Hat Enterprise Linux 7 RedHat rh-ruby25-ruby-0:2.5.9-9.el7 *
Red Hat Software Collections for Red Hat Enterprise Linux 7 RedHat rh-ruby26-ruby-0:2.6.7-119.el7 *
Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS RedHat rh-ruby25-ruby-0:2.5.9-9.el7 *
Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUS RedHat rh-ruby25-ruby-0:2.5.9-9.el7 *
Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUS RedHat rh-ruby26-ruby-0:2.6.7-119.el7 *
Jruby Ubuntu bionic *
Jruby Ubuntu disco *
Jruby Ubuntu eoan *
Jruby Ubuntu esm-apps/bionic *
Jruby Ubuntu esm-apps/focal *
Jruby Ubuntu esm-apps/xenial *
Jruby Ubuntu focal *
Jruby Ubuntu groovy *
Jruby Ubuntu hirsute *
Jruby Ubuntu impish *
Jruby Ubuntu lunar *
Jruby Ubuntu trusty *
Jruby Ubuntu trusty/esm *
Jruby Ubuntu xenial *
Ruby2.3 Ubuntu esm-infra/xenial *
Ruby2.3 Ubuntu trusty *
Ruby2.3 Ubuntu xenial *
Ruby2.5 Ubuntu bionic *
Ruby2.5 Ubuntu disco *
Ruby2.5 Ubuntu eoan *
Ruby2.5 Ubuntu esm-infra/bionic *
Ruby2.5 Ubuntu trusty *
Ruby2.5 Ubuntu upstream *

Potential Mitigations

References