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Ubuntu 18.04 LTS: USN-4561-1 Critical: Rack Information Leak

ubuntu
Calendar Grey September 30, 2020
Dist Ubuntu Esm H88
Ubuntu 20.04 LTS update released addressing security flaws in node-js causing potential unauthorized data leaks.
Rack could be made to expose sensitive information over the network.

Summary

Rack could be made to expose sensitive information over the network.

Software Description:

- ruby-rack: modular Ruby webserver interface

Details:

It was discovered that Rack incorrectly handled certain paths. An attacker

could possibly use this issue to obtain sensitive information.

(CVE-2020-8161)

It was discovered that Rack incorrectly validated cookies. An attacker

could possibly use this issue to forge a secure cookie. (CVE-2020-8184)

Topics%20covered

Topics Covered

security advisory information leak ubuntu network exposure rack issue

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 18.04 LTS:
  ruby-rack                       1.6.4-4ubuntu0.2

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-4561-1

CVE-2020-8161, CVE-2020-8184

Severity
critical
Lowest
Low
Medium
High
Critical

September 30, 2020

Topics%20covered

Topics Covered

security advisory information leak ubuntu network exposure rack issue

Package Information

https://launchpad.net/ubuntu/+source/ruby-rack/1.6.4-4ubuntu0.2

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