vulnerability

FreeBSD: VID-75dd622c-d5fd-11e7-b9fe-c13eb7bcbf4f (CVE-2017-16944): exim -- remote DoS attack in BDAT processing

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Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
Nov 30, 2017
Added
Dec 1, 2017
Modified
Dec 10, 2025

Description

Exim developers team reports: The receive_msg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to cause a denial of service (infinite loop and stack exhaustion) via vectors involving BDAT commands and an improper check for a '.' character signifying the end of the content, related to the bdat_getc function.

Solution

freebsd-upgrade-package-exim

References

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