CVE-2018-18956
7.5 · HIGHOverview
CVE-2018-18956 is a high-severity vulnerability affecting suricata-ids suricata. It was published on November 5, 2018 and has a CVSS 3.0 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from suricata-ids. Update suricata to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| suricata-ids | suricata | >= 4.0.0, < 4.0.6 | Affected |
References
Frequently Asked Questions
What is CVE-2018-18956?
CVE-2018-18956 is a high-severity vulnerability affecting suricata-ids suricata. It was published on November 5, 2018 and has a CVSS 3.0 base score of 7.5 (HIGH).
How severe is CVE-2018-18956?
This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-18956?
Check the references section for vendor advisories and patches from suricata-ids. Update suricata to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2018-18956?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-18956 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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