CVE-2018-16789
7.5
HIGH
CVSS 3.1
EPSS 0.86%
Description
libhttp/url.c in shellinabox through 2.20 has an implementation flaw in the HTTP request parsing logic. By sending a crafted multipart/form-data HTTP request, an attacker could exploit this to force shellinaboxd into an infinite loop, exhausting available CPU resources and taking the service down.
How to fix CVE-2018-16789
To remediate CVE-2018-16789, upgrade the affected package to a fixed version below.
- Debian/shellinabox—upgrade to 2.21 or later
Is CVE-2018-16789 being exploited?
Low — EPSS is 0.9%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.21
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |