========================================================================== Ubuntu Security Notice USN-7664-1 July 22, 2025
ruby-sinatra vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary:
Several security issues were fixed in Sinatra.
Software Description:
- ruby-sinatra: Ruby web-development dressed in a DSL
Details:
It was discovered that Sinatra incorrectly handled serving static files.
An attacker could possibly use this issue to perform local file inclusion,
obtaining sensitive information.
(CVE-2022-29970)
It was discovered that Sinatra incorrectly handled special characters in
the Content-Disposition HTTP header. An attacker could possibly use this
issue to perform a reflected file download attack, achieving remote code
execution. (CVE-2022-45442)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 22.04 LTS
ruby-sinatra 2.0.8.1-2+deb11u1build0.22.04.1
Ubuntu 20.04 LTS
ruby-sinatra 2.0.8.1-1ubuntu0.1~esm2
Available with Ubuntu Pro
Ubuntu 18.04 LTS
ruby-sinatra 1.4.8-1ubuntu0.1~esm2
Available with Ubuntu Pro
Ubuntu 16.04 LTS
ruby-sinatra 1.4.7-3ubuntu0.1~esm2
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-7664-1
CVE-2022-29970, CVE-2022-45442
Package Information:
https://launchpad.net/ubuntu/+source/ruby-sinatra/2.0.8.1-2+deb11u1build0.22.04.1
signature.asc
Description: OpenPGP digital signature
