Summary
Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2021-33621: The cgi gem before 0.1.0.2, 0.2.x before 0.2.2, and 0.3.x before 0.3.5 for Ruby allows HTTP response splitting. This is relevant to applications that use untrusted user input either to generate an HTTP response or to create a CGI::Cookie object.
Fixed packages 16
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2 | ruby | 0:2.0.0.648-36.amzn2.0.8 |
| Amazon Linux · 2 | ruby-debuginfo | 0:2.0.0.648-36.amzn2.0.8 |
| Amazon Linux · 2 | ruby-devel | 0:2.0.0.648-36.amzn2.0.8 |
| Amazon Linux · 2 | ruby-doc | 0:2.0.0.648-36.amzn2.0.8 |
| Amazon Linux · 2 | ruby-irb | 0:2.0.0.648-36.amzn2.0.8 |
| Amazon Linux · 2 | ruby-libs | 0:2.0.0.648-36.amzn2.0.8 |
| Amazon Linux · 2 | ruby-tcltk | 0:2.0.0.648-36.amzn2.0.8 |
| Amazon Linux · 2 | rubygem-bigdecimal | 0:1.2.0-36.amzn2.0.8 |
| Amazon Linux · 2 | rubygem-io-console | 0:0.4.2-36.amzn2.0.8 |
| Amazon Linux · 2 | rubygem-json | 0:1.7.7-36.amzn2.0.8 |
| Amazon Linux · 2 | rubygem-minitest | 0:4.3.2-36.amzn2.0.8 |
| Amazon Linux · 2 | rubygem-psych | 0:2.0.0-36.amzn2.0.8 |
| Amazon Linux · 2 | rubygem-rake | 0:0.9.6-36.amzn2.0.8 |
| Amazon Linux · 2 | rubygem-rdoc | 0:4.0.0-36.amzn2.0.8 |
| Amazon Linux · 2 | rubygems | 0:2.0.14.1-36.amzn2.0.8 |
| Amazon Linux · 2 | rubygems-devel | 0:2.0.14.1-36.amzn2.0.8 |
Vulnerabilities 1
-
High 8.8
HTTP response splitting in CGI
The cgi gem before 0.1.0.2, 0.2.x before 0.2.2, and 0.3.x before 0.3.5 for Ruby allows HTTP response splitting. This is relevant to applications that use untrusted user input either to generate an HTTP response or to create a CGI::Cookie object.
References
-
web
https://alas.aws.amazon.com/cve/html/CVE-2021-33621.html