CVE-2018-15599
dropbear - security update
5.3
MEDIUM
CVSS 3.1
EPSS 0.52%
Description
The recv_msg_userauth_request function in svr-auth.c in Dropbear through 2018.76 is prone to a user enumeration vulnerability because username validity affects how fields in SSH_MSG_USERAUTH messages are handled, a similar issue to CVE-2018-15473 in an unrelated codebase.
How to fix CVE-2018-15599
To remediate CVE-2018-15599, upgrade the affected package to a fixed version below.
- —upgrade to 2018.76-r2 or later
- —upgrade to 2018.76-4 or later
- —upgrade to 2014.65-1+deb8u3 or later
Is CVE-2018-15599 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 2018.76-r2
- from 0, < 2018.76-4
- from 0, < 2014.65-1+deb8u3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |