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Exim: Failure to reset function pointer after BDAT error (CVE-2020-28019)

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Exim: Failure to reset function pointer after BDAT error (CVE-2020-28019)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
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 Initialization that can lead to recursion-based stack consumption or other consequences. This occurs because use of certain getc functions is mishandled when a client uses BDAT instead of DATA.

Solution(s)

  • exim-upgrade-4_94_2

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