Detections
Analytics

CVE-2018-18956

high

Description

The ProcessMimeEntity function in util-decode-mime.c in Suricata 4.x before 4.0.6 allows remote attackers to cause a denial of service (segfault and daemon crash) via crafted input to the SMTP parser, as exploited in the wild in November 2018.

References

https://redmine.openinfosecfoundation.org/issues/2658#change-10374

https://lists.openinfosecfoundation.org/pipermail/oisf-users/2018-October/016227.html

https://lists.openinfosecfoundation.org/pipermail/oisf-users/2018-November/016316.html

Details

Source: Mitre, NVD

Published: 2018-11-05

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.01211