Fedora Account System
Red Hat Associate
Red Hat Customer
It is possible to spoof the sender's email address and display an arbitrary sender address to the email recipient. The real sender's address is not displayed if preceded by a null character in the display string.
Acknowledgments: Name: the Mozilla project Upstream: Sabri Haddouche
External References: https://www.mozilla.org/en-US/security/advisories/mfsa2017-30/#CVE-2017-7829
This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Red Hat Enterprise Linux 6 Via RHSA-2018:0061 https://access.redhat.com/errata/RHSA-2018:0061