CVE-2019-10053
9.8
CRITICAL
CVSS 3.1
EPSS 0.52%
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.
How to fix CVE-2019-10053
To remediate CVE-2019-10053, upgrade the affected package to a fixed version below.
- Debian/suricata—upgrade to 1:4.1.4-1 or later
Is CVE-2019-10053 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1:4.1.4-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |