FreeBSD2826317B-10EC-11E7-944E-000C292E4FD8samba -- symlink race allows access outside share definition
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
6 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:S/C:P/I:P/A:P
0.017 Low
EPSS
Percentile
87.5%
Samba team reports:
A time-of-check, time-of-use race condition
can allow clients to access non-exported parts
of the file system via symlinks.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| FreeBSD | any | noarch | samba36 | = 3.6.0 | UNKNOWN |
| FreeBSD | any | noarch | samba36 | <= 3.6.25_4 | UNKNOWN |
| 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 | <= 4.3.13 | UNKNOWN |
Related
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
6 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:S/C:P/I:P/A:P
0.017 Low
EPSS
Percentile
87.5%