CVE Vulnerability

CVE-2018-18956

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://redmine.openinfosecfoundation.org/issues/2658#change-10374 Third Party Advisory
https://lists.openinfosecfoundation.org/pipermail/oisf-users/2018-October/016227.html Mailing List Third Party Advisory
https://lists.openinfosecfoundation.org/pipermail/oisf-users/2018-November/016316.html Mailing List Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:suricata-ids:suricata:*:*:*:*:*:*:*:*
Information

Published : 2018-11-05 09:29

Updated : 2020-08-24 05:37

NVD link : CVE-2018-18956

Mitre link : CVE-2018-18956

Products Affected

Suricata

Suricata-ids

CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer