CVE-2018-10242: Suricata version 4.0.4 incorrectly handles the parsing of the SSH banner. A malformed SSH banner can cause the parsing code to read beyond the allocated data…

PriorityP337high7.5CVSS 3.0

AVNACLPRNUINSUCHINAN

EPSS

1.56%

72.2th percentile

Suricata version 4.0.4 incorrectly handles the parsing of the SSH banner. A malformed SSH banner can cause the parsing code to read beyond the allocated data because SSHParseBanner in app-layer-ssh.c lacks a length check.

Affected

7 ranges

Vendor	Product	Version range	Fixed in
debian	debian_linux	—	—
debian	suricata	< suricata 1:4.0.5-1 (bookworm)	suricata 1:4.0.5-1 (bookworm)
oisf	suricata	—	—
oisf	suricata	>= 0 < 1:4.0.5-1	1:4.0.5-1
oisf	suricata	>= 0 < 1:4.0.5-1	1:4.0.5-1
oisf	suricata	>= 0 < 1:4.0.5-1	1:4.0.5-1
oisf	suricata	>= 0 < 1:4.0.5-1	1:4.0.5-1

CVSS provenance

nvdv3.07.5HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N

osv7.5HIGH

vendor_debian7.5HIGH

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