FreeBSD VuXML: Documenting security issues in FreeBSD and the FreeBSD Ports Collection

exim -- remote DoS attack in BDAT processing

Affected packages
4.88 <= exim < 4.89.1


VuXML ID 75dd622c-d5fd-11e7-b9fe-c13eb7bcbf4f
Discovery 2017-11-23
Entry 2017-11-30

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.


CVE Name CVE-2017-16944