A missing input sanitization flaw was found in the implementation of LDP database used for the LDAP server. An attacker could use this flaw to cause a denial of service against a samba server, used as a Active Directory Domain Controller.
Find out more about CVE-2018-1140 from the MITRE CVE dictionary dictionary and NIST NVD.
This flaw only affects libldb/samba when configured as Active Directory Domain Controller. Versions of samba in Red Hat Enterprise Linux 6 and 7 do not support this configuration and therefore are not affected by this flaw.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
CVSS3 Base Score | 6.5 |
---|---|
CVSS3 Base Metrics | CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Attack Vector | Adjacent Network |
Attack Complexity | Low |
Privileges Required | None |
User Interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity Impact | None |
Availability Impact | High |
Platform | Package | State |
---|---|---|
Red Hat Gluster Storage 3 | libldb | Not affected |
Red Hat Enterprise Linux 7 | libldb | Not affected |
Red Hat Enterprise Linux 6 | libldb | Not affected |
Red Hat Enterprise Linux 5 | libldb | Not affected |