VulnerabilityModified
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.
HIGH 7.5EPSS 2.79%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.79%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.79% probability · 86th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- suricata-ids/suricata
- Source
- cve@mitre.org
References
- https://lists.openinfosecfoundation.org/pipermail/oisf-users/2018-November/016316.htmlMailing List, Third Party Advisory
- https://lists.openinfosecfoundation.org/pipermail/oisf-users/2018-October/016227.htmlMailing List, Third Party Advisory
- https://redmine.openinfosecfoundation.org/issues/2658#change-10374Third Party Advisory
- https://lists.openinfosecfoundation.org/pipermail/oisf-users/2018-November/016316.htmlMailing List, Third Party Advisory
- https://lists.openinfosecfoundation.org/pipermail/oisf-users/2018-October/016227.htmlMailing List, Third Party Advisory
- https://redmine.openinfosecfoundation.org/issues/2658#change-10374Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.