CVE-2018-10242

moderate-risk

Published 2019-04-04

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.

Do I need to act?

0.41% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 7.5/10 High

NETWORK / LOW complexity

Affected Products (2)

Suricata

Debian Linux

Affected Vendors

Debian Oisf

References (4)

Third Party Advisory https://lists.debian.org/debian-lts-announce/2019/04/msg00010.html

Release Notes https://suricata-ids.org/2018/07/18/suricata-4-0-5-available/

Third Party Advisory https://lists.debian.org/debian-lts-announce/2019/04/msg00010.html

Release Notes https://suricata-ids.org/2018/07/18/suricata-4-0-5-available/

/ 100

moderate-risk

Severity 26/34 · High

Exploitability 2/34 · Minimal

Exposure 7/34 · Low