Remote command execution In spamass-milter

Description

The mlfi_envrcpt function in spamass-milter.cpp in SpamAssassin Milter Plugin 0.3.1, when using the expand option, allows remote attackers to execute arbitrary system commands via shell metacharacters in the RCPT TO field of an email message.

Mitigation

Update Impact

Minimal update. May introduce new vulnerabilities or breaking changes.

Ecosystem
Package
Affected version
Patched versions