VULNERABILITY

Amazon Linux AMI: CVE-2020-25613: Security patch for ruby20 ((Multiple Advisories))

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Amazon Linux AMI: CVE-2020-25613: Security patch for ruby20 ((Multiple Advisories))

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
10/06/2020
Created
12/22/2020
Added
12/19/2020
Modified
10/14/2022

Description

An issue was discovered in Ruby through 2.5.8, 2.6.x through 2.6.6, and 2.7.x through 2.7.1. WEBrick, a simple HTTP server bundled with Ruby, had not checked the transfer-encoding header value rigorously. An attacker may potentially exploit this issue to bypass a reverse proxy (which also has a poor header check), which may lead to an HTTP Request Smuggling attack.

Solution(s)

  • amazon-linux-upgrade-ruby20

References

  • ALAS-2021-1468
  • CVE-2020-25613
  • USN-4882-1

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