Debian 11: DLA-3877-1 Critical: ruby-sinatra Security Updates

CVE-2022-29970

A file traversal vulnerability was discovered. We now validate that
any expanded paths match the allowed `public_dir` when serving
static files.

CVE-2022-45442

It was discovered that there was a potential reflected file download
(RFD) vulnerability. A Content-Disposition HTTP header was being
incorrectly derived from a potentially user-supplied filename.

For Debian 11 bullseye, these problems have been fixed in version
2.0.8.1-2+deb11u1.

We recommend that you upgrade your ruby-sinatra packages.

For the detailed security status of ruby-sinatra please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/ruby-sinatra

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS