Samba up to 4.9.17/4.10.11/4.11.4 Subtree access control

Summaryinfo

A vulnerability identified as critical has been detected in Samba up to 4.9.17/4.10.11/4.11.4. This affects an unknown function of the component Subtree Handler. This manipulation causes access control. The identification of this vulnerability is CVE-2019-14902. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Samba up to 4.9.17/4.10.11/4.11.4 (File Transfer Software) and classified as critical. Affected by this vulnerability is some unknown functionality of the component Subtree Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

There is an issue in all samba 4.11.x versions before 4.11.5, all samba 4.10.x versions before 4.10.12 and all samba 4.9.x versions before 4.9.18, where the removal of the right to create or modify a subtree would not automatically be taken away on all domain controllers.

The weakness was shared 01/21/2020 as not defined bug report (Bugzilla). It is possible to read the advisory at bugzilla.redhat.com. This vulnerability is known as CVE-2019-14902 since 08/10/2019. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Upgrading to version 4.9.18, 4.10.12 or 4.11.5 eliminates this vulnerability.

The entry VDB-149180 is related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• File Transfer Software

Name

• Samba

Version

• 4.9.0
• 4.9.1
• 4.9.2
• 4.9.3
• 4.9.4
• 4.9.5
• 4.9.6
• 4.9.7
• 4.9.8
• 4.9.9
• 4.9.10
• 4.9.11
• 4.9.12
• 4.9.13
• 4.9.14
• 4.9.15
• 4.9.16
• 4.9.17
• 4.10.0
• 4.10.1
• 4.10.2
• 4.10.3
• 4.10.4
• 4.10.5
• 4.10.6
• 4.10.7
• 4.10.8
• 4.10.9
• 4.10.10
• 4.10.11
• 4.11.0
• 4.11.1
• 4.11.2
• 4.11.3
• 4.11.4

License

• open-source

Website

• Product: https://www.samba.org/

CPE 2.3info

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CPE 2.2info

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Entryinfo

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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