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CVE-2018-16851

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CVE-2018-16851

Published: Nov 28, 2018

Modified: Aug 5, 2024

PUBLISHED

CVSS v3.0

6.5

MEDIUM

Description

Samba from version 4.0.0 and before versions 4.7.12, 4.8.7, 4.9.3 is vulnerable to a denial of service. During the processing of an LDAP search before Samba's AD DC returns the LDAP entries to the client, the entries are cached in a single memory object with a maximum size of 256MB. When this size is reached, the Samba process providing the LDAP service will follow the NULL pointer, terminating the process. There is no further vulnerability associated with this issue, merely a denial of service.

VendorProductVersions

[UNKNOWN]

samba

affected
4.7.12
affected
4.8.7
affected
4.9.3

Weaknesses (CWE)

CWE-476

CVSS v3.0 Details

CVSS v3.0 Vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

References

106027
vdb-entry
x_refsource_BID
USN-3827-2
vendor-advisory
x_refsource_UBUNTU
USN-3827-1
vendor-advisory
x_refsource_UBUNTU
DSA-4345
vendor-advisory
x_refsource_DEBIAN
GLSA-202003-52
vendor-advisory
x_refsource_GENTOO

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