Alpine Linux: CVE-2020-7247: Improper Handling of Exceptional Conditions
Description
smtp_mailaddr in smtp_session.c in OpenSMTPD 6.6, as used in OpenBSD 6.6 and other products, allows remote attackers to execute arbitrary commands as root via a crafted SMTP session, as demonstrated by shell metacharacters in a MAIL FROM field. This affects the "uncommented" default configuration. The issue exists because of an incorrect return value upon failure of input validation.
Solution(s)
- alpine-linux-upgrade-opensmtpd
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