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Exim: New-line injection into spool header file (remote) (CVE-2020-28021)

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Exim: New-line injection into spool header file (remote) (CVE-2020-28021)

Severity
9
CVSS
(AV:N/AC:L/Au:S/C:C/I:C/A:C)
Published
05/06/2021
Created
05/14/2021
Added
05/13/2021
Modified
05/13/2021

Description

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.

Solution(s)

  • exim-upgrade-4_94_2

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