Out-of-bounds Read in Oisf Suricata
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 because SSHParseBanner in app-layer-ssh.c lacks a length check.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.016 (74.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- Oisf Suricata — versions 4.0.4
- Debian Linux — versions 8.0
Weakness classification (CWE)
References
- suricata-ids.org/2018/07/18/suricata-4-0-5-available/ (Release Notes, Vendor Advisory)
- lists.debian.org/debian-lts-announce/2019/04/msg00010.html (mailing-list, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-10242?
- CVE-2018-10242 is a high-severity vulnerability in Oisf Suricata, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2019-04-04.
- How severe is CVE-2018-10242?
- High severity. CVSS v3 base score is 7.5 out of 10.