We have released the uri gem version 0.12.1, 0.10.2 that has a security fix for a ReDoS vulnerability. This vulnerability has been assigned the CVE identifier CVE-2023-36617.
A ReDoS issue was discovered in the URI component through 0.12.1 for Ruby. The URI parser mishandles invalid URLs that have specific characters. There is an increase in execution time for parsing strings to URI objects with rfc2396_parser.rb and rfc3986_parser.rb.
NOTE: this issue exists becuse of an incomplete fix for CVE-2023-28755.
The uri
gem version 0.12.1 and all versions prior 0.12.1 are vulnerable for this vulnerability.
We recommend to update the uri
gem to 0.12.2. In order to ensure compatibility with bundled version in older Ruby series, you may update as follows instead:
uri
0.10.3uri
0.12.2You can use gem update uri
to update it. If you are using bundler, please add gem "uri", ">= 0.12.2"
(or other version mentioned above) to your Gemfile
.
Thanks to ooooooo_q for discovering this issue.
Thanks to nobu for fixing this issue.
Posted by hsbt on 29 Jun 2023
https://www.ruby-lang.org/en/news/2023/06/29/redos-in-uri-CVE-2023-36617/