Ubuntu.comUB:CVE-2018-16860CVE-2018-16860
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:3.0/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
0.003 Low
EPSS
Percentile
68.3%
A flaw was found in samba’s Heimdal KDC implementation, versions 4.8.x up
to, excluding 4.8.12, 4.9.x up to, excluding 4.9.8 and 4.10.x up to,
excluding 4.10.3, when used in AD DC mode. A man in the middle attacker
could use this flaw to intercept the request to the KDC and replace the
user name (principal) in the request with any desired user name (principal)
that exists in the KDC effectively obtaining a ticket for that principal.
Bugs
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 18.04 | noarch | heimdal | < 7.5.0+dfsg-1ubuntu0.1 | UNKNOWN |
| ubuntu | 14.04 | noarch | heimdal | < 1.6~git20131207+dfsg-1ubuntu1.2+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
| ubuntu | 16.04 | noarch | heimdal | < 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
| ubuntu | 18.04 | noarch | samba | < 2:4.7.6+dfsg~ubuntu-0ubuntu2.10 | UNKNOWN |
| ubuntu | 18.10 | noarch | samba | < 2:4.8.4+dfsg-2ubuntu2.4 | UNKNOWN |
| ubuntu | 19.04 | noarch | samba | < 2:4.10.0+dfsg-0ubuntu2.1 | UNKNOWN |
| ubuntu | 20.04 | noarch | samba | < 2:4.10.0+dfsg-0ubuntu2.1 | UNKNOWN |
| ubuntu | 22.04 | noarch | samba | < 2:4.10.0+dfsg-0ubuntu2.1 | UNKNOWN |
| ubuntu | 22.10 | noarch | samba | < 2:4.10.0+dfsg-0ubuntu2.1 | UNKNOWN |
| ubuntu | 14.04 | noarch | samba | < 2:4.3.11+dfsg-0ubuntu0.14.04.20+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
References
launchpad.net/bugs/cve/CVE-2018-16860
nvd.nist.gov/vuln/detail/CVE-2018-16860
security-tracker.debian.org/tracker/CVE-2018-16860
ubuntu.com/security/notices/USN-3976-1
ubuntu.com/security/notices/USN-3976-2
ubuntu.com/security/notices/USN-5675-1
www.cve.org/CVERecord?id=CVE-2018-16860
www.samba.org/samba/security/CVE-2018-16860.html
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:3.0/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
0.003 Low
EPSS
Percentile
68.3%