vulnerability

Exim: Line truncation and injection in spool_read_header() (CVE-2020-28026)

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Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
May 6, 2021
Added
May 13, 2021
Modified
May 13, 2021

Description

Exim 4 before 4.94.2 has Improper Neutralization of Line Delimiters, relevant in non-default configurations that enable Delivery Status Notification (DSN). Certain uses of ORCPT= can place a newline into a spool header file, and indirectly allow unauthenticated remote attackers to execute arbitrary commands as root.

Solution

exim-upgrade-4_94_2

References

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