Home/CVE/A missing input sanitization flaw was found in the implementation of LDP database used for the LDAP server. An attacker
CVE

CVE-2018-1140

A missing input sanitization flaw was found in the implementation of LDP database used for the LDAP server. An attacker

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.

MEDIUM · CVSS 6.5 EPSS 0.14432
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 5% of all CVEs by exploitation likelihood
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
CWE-20Improper Input Validation
▤

Affected Products & Versions

1
samba>= 4.8.0 and < 4.8.4
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.0 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD22 Aug 2018 · 02:29 PM
CVSS VectorCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

3
suse-csafopenSUSE-SU-2024:10911-1
suse-csafopenSUSE-SU-2024:11365-1
suse-csafSUSE-SU-2018:2318-1
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/105082Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1140Issue TrackingPatchThird Party Advisory
https://bugzilla.samba.org/show_bug.cgi?id=13374Issue TrackingPatchThird Party Advisory
https://security.gentoo.org/glsa/202003-52
https://security.netapp.com/advisory/ntap-20180814-0001/Third Party Advisory
https://www.samba.org/samba/security/CVE-2018-1140.htmlPatchVendor Advisory
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