CVE-2016-2119
samba - security update
7.5
HIGH
CVSS 3.1
EPSS 1.1%
Description
libcli/smb/smbXcli_base.c in Samba 4.x before 4.2.14, 4.3.x before 4.3.11, and 4.4.x before 4.4.5 allows man-in-the-middle attackers to bypass a client-signing protection mechanism, and consequently spoof SMB2 and SMB3 servers, via the (1) SMB2_SESSION_FLAG_IS_GUEST or (2) SMB2_SESSION_FLAG_IS_NULL flag.
How to fix CVE-2016-2119
To remediate CVE-2016-2119, upgrade the affected package to a fixed version below.
- —upgrade to 2:4.4.5+dfsg-1 or later
- —upgrade to 2:4.2.14+dfsg-0+deb8u2 or later
Is CVE-2016-2119 being exploited?
Low — EPSS is 1.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2:4.4.5+dfsg-1
- from 0, < 2:4.2.14+dfsg-0+deb8u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |