Vulnerability Monitor

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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.

Published

2018-11-05T21:29:00.257

Last Modified

2024-11-21T03:56:56.607

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-119

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	suricata-ids	suricata	< 4.0.6	Yes

References

https://lists.openinfosecfoundation.org/pipermail/oisf-users/2018-November/016316.html Mailing List, Third Party Advisory ([email protected])
https://lists.openinfosecfoundation.org/pipermail/oisf-users/2018-October/016227.html Mailing List, Third Party Advisory ([email protected])
https://redmine.openinfosecfoundation.org/issues/2658#change-10374 Third Party Advisory ([email protected])
https://lists.openinfosecfoundation.org/pipermail/oisf-users/2018-November/016316.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.openinfosecfoundation.org/pipermail/oisf-users/2018-October/016227.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://redmine.openinfosecfoundation.org/issues/2658#change-10374 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)