FreeBSD4729C849-4897-11E6-B704-000C292E4FD8samba -- client side SMB2/3 required signing can be downgraded
6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
0.005 Low
EPSS
Percentile
76.6%
Samba team reports:
A man in the middle attack can disable client signing over
SMB2/3, even if enforced by configuration parameters.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| FreeBSD | any | noarch | samba4 | = 4.0.0 | UNKNOWN |
| FreeBSD | any | noarch | samba4 | <= 4.0.26 | UNKNOWN |
| FreeBSD | any | noarch | samba41 | = 4.1.0 | UNKNOWN |
| FreeBSD | any | noarch | samba41 | <= 4.1.23 | UNKNOWN |
| FreeBSD | any | noarch | samba42 | = 4.2.0 | UNKNOWN |
| FreeBSD | any | noarch | samba42 | < 4.2.14 | UNKNOWN |
| FreeBSD | any | noarch | samba43 | = 4.3.0 | UNKNOWN |
| FreeBSD | any | noarch | samba43 | < 4.3.11 | UNKNOWN |
| FreeBSD | any | noarch | samba44 | = 4.4.0 | UNKNOWN |
| FreeBSD | any | noarch | samba44 | < 4.4.5 | UNKNOWN |
Related
6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
0.005 Low
EPSS
Percentile
76.6%