EM-HTTP-Request 1.1.5 uses the library eventmachine in an insecure way that allows an attacker to perform a man-in-the-middle attack against users of the library. The hostname in a TLS server certificate is not verified.
Created rubygem-em-http-request tracking bugs for this issue:
Affects: fedora-all [bug 1911458]
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Additional patch for warnings: https://github.com/igrigorik/em-http-request/commit/157d5ff281c503656192825c388b28e7f35e04ce
This issue has been addressed in the following products:
Red Hat OpenStack Platform 13.0 Operational Tools for RHEL 7
Via RHSA-2021:0937 https://access.redhat.com/errata/RHSA-2021:0937
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):