Remote shell metacharacter injection and command-execution as root in an SMTP server... what year is it again?https://twitter.com/window/status/1222345450629423104 …
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Both excellent questions...
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qmail's design and architecture should be mandatory reading for anyone writing an MTA
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Unix "privileged ports" security architecture considered harmful, even decades later.
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That has nothing to do with why root is involved, and it's not even wrong. If unprivileged process could bind port 25 an attacker who compromised a junk process could intercept mail.
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Čini se da učitavanje traje već neko vrijeme.
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