CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
77.9%
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.
launchpad.net/bugs/cve/CVE-2018-18956
lists.openinfosecfoundation.org/pipermail/oisf-users/2018-October/016227.html
nvd.nist.gov/vuln/detail/CVE-2018-18956
redmine.openinfosecfoundation.org/issues/2658#change-10374
security-tracker.debian.org/tracker/CVE-2018-18956
www.cve.org/CVERecord?id=CVE-2018-18956
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
77.9%