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.
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
| 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 | mantic | * |
| Jruby | Ubuntu | trusty | * |
| Jruby | Ubuntu | trusty/esm | * |
| Jruby | Ubuntu | xenial | * |
| Ruby2.3 | Ubuntu | trusty | * |
| Ruby2.3 | Ubuntu | xenial | * |
| Ruby2.5 | Ubuntu | bionic | * |
| Ruby2.5 | Ubuntu | disco | * |
| Ruby2.5 | Ubuntu | eoan | * |
| Ruby2.5 | Ubuntu | trusty | * |
| Ruby2.5 | Ubuntu | upstream | * |