CVE-2017-12424
shadow - security update
9.8
CRITICAL
CVSS 3.1
EPSS 0.94%
Description
In shadow before 4.5, the newusers tool could be made to manipulate internal data structures in ways unintended by the authors. Malformed input may lead to crashes (with a buffer overflow or other memory corruption) or other unspecified behaviors. This crosses a privilege boundary in, for example, certain web-hosting environments in which a Control Panel allows an unprivileged user account to create subaccounts.
How to fix CVE-2017-12424
To remediate CVE-2017-12424, upgrade the affected package to a fixed version below.
- —upgrade to 1:4.5-1 or later
- —upgrade to 1:4.4-4.1+deb9u1 or later
Is CVE-2017-12424 being exploited?
Low — EPSS is 0.9%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1:4.5-1
- from 0, < 1:4.4-4.1+deb9u1
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 |