CVE-2018-18956

NameCVE-2018-18956
DescriptionThe 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
suricata (PTS)jessie2.0.7-2+deb8u1fixed
jessie (security)2.0.7-2+deb8u2fixed
stretch3.2.1-1+deb9u1vulnerable
buster1:4.0.5-1vulnerable
sid1:4.0.6-1vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
suricatasource(unstable)(unfixed)
suricatasourcejessie(not affected)

Notes

[stretch] - suricata <no-dsa> (Minor issue)
[jessie] - suricata <not-affected> (Vulnerable code not present, no MIME support in this version)
https://lists.openinfosecfoundation.org/pipermail/oisf-users/2018-October/016227.html
https://redmine.openinfosecfoundation.org/issues/2658#change-10374

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