vulnerability

Exim: Heap buffer underflow in smtp_ungetc() (CVE-2020-28024)

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
2021-05-06
Added
2021-05-13
Modified
2021-05-13

Description

Exim 4 before 4.94.2 allows Buffer Underwrite that may result in unauthenticated remote attackers executing arbitrary commands, because smtp_ungetc was only intended to push back characters, but can actually push back non-character error codes such as EOF.

Solution

exim-upgrade-4_94_2
Title
NEW

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