CVE-2018-18956: Buffer Overflow
First published: Mon Nov 05 2018(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Suricata-ids Suricata | >=4.0.0<4.0.6 |
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Reference Links
Frequently Asked Questions
What is CVE-2018-18956?
CVE-2018-18956 is a vulnerability in Suricata 4.x before 4.0.6 that allows remote attackers to cause a denial of service.
How does CVE-2018-18956 impact Suricata?
CVE-2018-18956 can result in a segfault and daemon crash in Suricata due to crafted input to the SMTP parser.
What is the severity of CVE-2018-18956?
CVE-2018-18956 has a severity keyword of 'high' and a severity value of 7.5.
How can I fix CVE-2018-18956?
To fix CVE-2018-18956, upgrade Suricata to version 4.0.6 or newer.
Where can I find more information about CVE-2018-18956?
You can find more information about CVE-2018-18956 at the following references: [1] [2] [3].
- collector/nvd-index
- agent/softwarecombine
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/severity
- agent/author
- agent/last-modified-date
- agent/references
- agent/tags
- agent/description
- agent/first-publish-date
- agent/event
- vendor/suricata-ids
- canonical/suricata-ids suricata
- version/suricata-ids suricata/4.0.0