ELA-278-1 ruby-rack security update

forge a secure or host-only cookie prefix

Related CVEs CVE-2020-8184

A reliance on cookies without validation/integrity check security vulnerability exists in rack < 2.2.3, rack < 2.1.4 that makes it is possible for an attacker to forge a secure or host-only cookie prefix.

For Debian 8 jessie, these problems have been fixed in version 1.5.2-3+deb8u4.

We recommend that you upgrade your ruby-rack packages.

Further information about Extended LTS security advisories can be found at: https://deb.freexian.com/extended-lts/