CVE-2017-16944
Published: 27 November 2017
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.
Notes
Author | Note |
---|---|
mdeslaur | only affects Exim 4.88 or newer |
Priority
CVSS 3 base score: 7.5
Status
Package | Release | Status |
---|---|---|
exim4 Launchpad, Ubuntu, Debian |
upstream |
Needs triage
|
precise |
Does not exist
|
|
trusty |
Not vulnerable
(4.82-3ubuntu2.3)
|
|
xenial |
Not vulnerable
(4.86.2-2ubuntu2.2)
|
|
zesty |
Released
(4.88-5ubuntu1.3)
|
|
artful |
Released
(4.89-5ubuntu1.2)
|
|
Patches: upstream: https://git.exim.org/exim.git/commit/178ecb70987f024f0e775d87c2f8b2cf587dd542 upstream: https://git.exim.org/exim.git/commit/4804c62909a62a3ac12ec4777ebd48c541028965 (4.89) |