7.5

CVE-2017-16944

Exploit
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Exim ≫ Exim Version 4.88
Exim ≫ Exim Version 4.89
Debian ≫ Debian Linux Version 9.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 63.32% 0.991
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7.5 3.9 3.6
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NIST 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:N/A:P
CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')

The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.

http://www.openwall.com/lists/oss-security/2021/05/04/7
http://openwall.com/lists/oss-security/2017/11/25/1
Mailing List
http://openwall.com/lists/oss-security/2017/11/25/2
Mailing List
http://openwall.com/lists/oss-security/2017/11/25/3
Mailing List
https://lists.exim.org/lurker/message/20171125.034842.d1d75cac.en.html
Mailing List
https://www.debian.org/security/2017/dsa-4053
Third Party Advisory
http://www.securitytracker.com/id/1039873
Third Party Advisory
VDB Entry
https://bugs.exim.org/show_bug.cgi?id=2201
Exploit
Issue Tracking
https://www.exploit-db.com/exploits/43184/
Third Party Advisory
VDB Entry