CVE-2018-18956

CVSS V2 Medium 5 CVSS V3 High 7.5
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.
Overview
  • CVE ID
  • CVE-2018-18956
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2018-11-05T21:29:00
  • Last Modified Date
  • 2020-08-24T17:37:01
Weakness Enumerations
CWE URL
CWE-119 http://cwe.mitre.org/data/definitions/119.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:suricata-ids:suricata:*:*:*:*:*:*:*:* 1 OR 4.0.0 4.0.6
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-18956
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18956
History
Created Old Value New Value Data Type Notes
2022-05-10 16:30:40 Added to TrackCVE
2022-12-03 14:05:28 2018-11-05T21:29Z 2018-11-05T21:29:00 CVE Published Date updated
2022-12-03 14:05:28 2020-08-24T17:37:01 CVE Modified Date updated
2022-12-03 14:05:29 Analyzed Vulnerability Status updated