GNOME Evolution through 3.28.2 is prone to OpenPGP signatures being...

Vulnerability Description

GNOME Evolution through 3.28.2 is prone to OpenPGP signatures being spoofed for arbitrary messages using a specially crafted email that contains a valid signature from the entity to be impersonated as an attachment.

References

• https://bugzilla.gnome.org/show_bug.cgi?id=796424
• https://lists.debian.org/debian-lts-announce/2019/04/msg00027.html
• http://www.openwall.com/lists/oss-security/2019/04/30/4
• http://seclists.org/fulldisclosure/2019/Apr/38
• http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html
• https://github.com/RUB-NDS/Johnny-You-Are-Fired
• https://github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdf
• http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00047.html
• http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00061.html
• https://usn.ubuntu.com/3998-1/
• https://www.debian.org/security/2019/dsa-4457
• http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00024.html
• https://seclists.org/bugtraq/2019/Jun/7