CVE-2019-3464
9.8
CRITICAL
CVSS 3.1
EPSS 5.6%
Description
Insufficient sanitization of environment variables passed to rsync can bypass the restrictions imposed by rssh, a restricted shell that should restrict users to perform only rsync operations, resulting in the execution of arbitrary shell commands.
How to fix CVE-2019-3464
To remediate CVE-2019-3464, upgrade the affected package to a fixed version below.
- Alpine/rssh—upgrade to 2.3.4-r1 or later
Is CVE-2019-3464 being exploited?
Moderate — EPSS is 5.6%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (1)
- from 0, < 2.3.4-r1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |