Rapid7 Vulnerability & Exploit Database

Alpine Linux: CVE-2021-41817: Inefficient Regular Expression Complexity

Free InsightVM Trial No Credit Card Necessary
2024 Attack Intel Report Latest research by Rapid7 Labs
Back to Search

Alpine Linux: CVE-2021-41817: Inefficient Regular Expression Complexity

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
01/01/2022
Created
08/23/2024
Added
08/22/2024
Modified
08/23/2024

Description

Date.parse in the date gem through 3.2.0 for Ruby allows ReDoS (regular expression Denial of Service) via a long string. The fixed versions are 3.2.1, 3.1.2, 3.0.2, and 2.0.1.

Solution(s)

  • alpine-linux-upgrade-ruby

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;