Description
An issue was discovered in Suricata 4.1.x before 4.1.4. If the input of the function SSHParseBanner is composed only of a \n character, then the program runs into a heap-based buffer over-read. This occurs because the erroneous search for \r results in an integer underflow.
References (2)
Core 2
Core References
Third Party Advisory x_refsource_misc
https://lists.openinfosecfoundation.org/pipermail/oisf-announce/
Patch, Vendor Advisory x_refsource_misc
https://suricata-ids.org/2019/04/30/suricata-4-1-4-released/
Scores
CVSS v3
9.8
EPSS
0.0052
EPSS Percentile
66.9%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-125
CWE-191
Status
published
Products (1)
suricata-ids/suricata
4.1.0 - 4.1.4
Published
May 13, 2019
Tracked Since
Feb 18, 2026