This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page.
View CVE-2020-28021 →
DEBIAN-CVE-2020-28021
Exim 4 before 4.94.2 has Improper Neutralization of Line Delimiters. An authenticated remote SMTP client can insert newline characters into a spool fi...
Original description
The description as published by the source.
Exim 4 before 4.94.2 has Improper Neutralization of Line Delimiters. An authenticated remote SMTP client can insert newline characters into a spool file (which indirectly leads to remote code execution as root) via AUTH= in a MAIL FROM command.
Source: OSV.dev (Open Source Vulnerabilities) OSV
Affected packages
Debian:12
exim4
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.94.2-1"}]}]
Debian:13
exim4
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.94.2-1"}]}]
Debian:14
exim4
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.94.2-1"}]}]
References
- advisory security-tracker.debian.org