High severity · published Nov 5, 2018
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…
7.5
CVSS
2.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.8% · higher than 86% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SU
Suricata · Suricata-ids
4.0.0 before 4.0.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-18956
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-18956
Mailing List
https://lists.openinfosecfoundation.org/pipermail/oisf-users/2018-November/016316.html
Mailing List
https://lists.openinfosecfoundation.org/pipermail/oisf-users/2018-October/016227.html
Third Party Advisory
https://redmine.openinfosecfoundation.org/issues/2658#change-10374
More from Suricata
9.8
CVE-2019-16411
An issue was discovered in Suricata 4.1.4
9.8
CVE-2019-10053
An issue was discovered in Suricata 4.1.x before 4.1.4
9.1
CVE-2019-16410
An issue was discovered in Suricata 4.1.4
9.1
CVE-2019-15699
An issue was discovered in app-layer-ssl.c in Suricata 4.1.4
7.5
CVE-2019-10056
An issue was discovered in Suricata 4.1.3