ruby-rack vulnerabilities

A security issue affects these releases of Ubuntu and its
derivatives:

* Ubuntu 18.04 LTS

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)

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

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

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

References

* CVE-2020-8161
* CVE-2020-8184

--- Mystic BBS v1.12 A46 (Linux/64)
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