Vulnerability Details : CVE-2018-1140
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. All versions of Samba from 4.8.0 onwards are vulnerable
Vulnerability category: Input validationDenial of service
Products affected by CVE-2018-1140
- cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-1140
15.21%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 94 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-1140
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
3.3
|
LOW | AV:A/AC:L/Au:N/C:N/I:N/A:P |
6.5
|
2.9
|
NIST | |
6.5
|
MEDIUM | CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST | |
6.5
|
MEDIUM | CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
Red Hat, Inc. |
CWE ids for CVE-2018-1140
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
References for CVE-2018-1140
-
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1140
1580230 – (CVE-2018-1140) CVE-2018-1140 libldb: LDAP server crash via distinguishedNameIssue Tracking;Patch;Third Party Advisory
-
https://security.gentoo.org/glsa/202003-52
Samba: Multiple vulnerabilities (GLSA 202003-52) — Gentoo security
-
http://www.securityfocus.com/bid/105082
Samba CVE-2018-1140 Remote Denial of Service VulnerabilityThird Party Advisory;VDB Entry
-
https://www.samba.org/samba/security/CVE-2018-1140.html
Samba - Security Announcement ArchivePatch;Vendor Advisory
-
https://security.netapp.com/advisory/ntap-20180814-0001/
August 2018 Samba Vulnerabilities in NetApp Products | NetApp Product SecurityThird Party Advisory
-
https://bugzilla.samba.org/show_bug.cgi?id=13374
Bug 13374 – [SECURITY] CVE-2018-1140 ldbsearch '(distinguishedName=abc)' and DNS query with escapes crashesIssue Tracking;Patch;Third Party Advisory
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