Mutt 1.5.13 and earlier does not properly use the --status-fd argument
when invoking GnuPG, which prevents Mutt from visually distinguishing
between signed and unsigned portions of OpenPGP messages with multiple
components, which allows remote attackers to forge the contents of a
message without detection.
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
BUGTRAQ:20070305 CORE-2007-0115: GnuPG and GnuPG clients unsigned data injection vulnerability
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