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Vulnerability Details :

CVE-2023-4154

Summary
Assigner-redhat
Assigner Org ID-53f830b8-0a3f-465b-8143-3b8a9948e749
Published At-07 Nov, 2023 | 19:14
Updated At-02 Aug, 2024 | 07:17
Rejected At-
Credits

Samba: ad dc password exposure to privileged users and rodcs

A design flaw was found in Samba's DirSync control implementation, which exposes passwords and secrets in Active Directory to privileged users and Read-Only Domain Controllers (RODCs). This flaw allows RODCs and users possessing the GET_CHANGES right to access all attributes, including sensitive secrets and passwords. Even in a default setup, RODC DC accounts, which should only replicate some passwords, can gain access to all domain secrets, including the vital krbtgt, effectively eliminating the RODC / DC distinction. Furthermore, the vulnerability fails to account for error conditions (fail open), like out-of-memory situations, potentially granting access to secret attributes, even under low-privileged attacker influence.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:redhat
Assigner Org ID:53f830b8-0a3f-465b-8143-3b8a9948e749
Published At:07 Nov, 2023 | 19:14
Updated At:02 Aug, 2024 | 07:17
Rejected At:
▼CVE Numbering Authority (CNA)
Samba: ad dc password exposure to privileged users and rodcs

A design flaw was found in Samba's DirSync control implementation, which exposes passwords and secrets in Active Directory to privileged users and Read-Only Domain Controllers (RODCs). This flaw allows RODCs and users possessing the GET_CHANGES right to access all attributes, including sensitive secrets and passwords. Even in a default setup, RODC DC accounts, which should only replicate some passwords, can gain access to all domain secrets, including the vital krbtgt, effectively eliminating the RODC / DC distinction. Furthermore, the vulnerability fails to account for error conditions (fail open), like out-of-memory situations, potentially granting access to secret attributes, even under low-privileged attacker influence.

Affected Products
Vendor
n/a
Product
samba
Versions
Unaffected
  • 4.19.1
  • 4.18.8
  • 4.17.12
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 6
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
samba
CPEs
  • cpe:/o:redhat:enterprise_linux:6
Default Status
unaffected
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 6
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
samba4
CPEs
  • cpe:/o:redhat:enterprise_linux:6
Default Status
unaffected
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 7
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
samba
CPEs
  • cpe:/o:redhat:enterprise_linux:7
Default Status
unaffected
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 8
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
samba
CPEs
  • cpe:/o:redhat:enterprise_linux:8
Default Status
unaffected
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 9
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
samba
CPEs
  • cpe:/o:redhat:enterprise_linux:9
Default Status
unaffected
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Storage 3
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
samba
CPEs
  • cpe:/a:redhat:storage:3
Default Status
unaffected
Vendor
Fedora ProjectFedora
Product
Fedora
Collection URL
https://packages.fedoraproject.org/
Package Name
samba
Default Status
affected
Problem Types
TypeCWE IDDescription
CWECWE-787Out-of-bounds Write
Type: CWE
CWE ID: CWE-787
Description: Out-of-bounds Write
Metrics
VersionBase scoreBase severityVector
3.17.5HIGH
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Metrics Other Info
Red Hat severity rating
value:
Moderate
namespace:
https://access.redhat.com/security/updates/classification/
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Reported to Red Hat.2023-10-03 00:00:00
Made public.2023-10-10 00:00:00
Event: Reported to Red Hat.
Date: 2023-10-03 00:00:00
Event: Made public.
Date: 2023-10-10 00:00:00
Replaced By

Rejected Reason

References
HyperlinkResource
https://access.redhat.com/security/cve/CVE-2023-4154
vdb-entry
x_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2241883
issue-tracking
x_refsource_REDHAT
https://bugzilla.samba.org/show_bug.cgi?id=15424
N/A
https://security.netapp.com/advisory/ntap-20231124-0002/
N/A
https://www.samba.org/samba/security/CVE-2023-4154.html
N/A
Hyperlink: https://access.redhat.com/security/cve/CVE-2023-4154
Resource:
vdb-entry
x_refsource_REDHAT
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=2241883
Resource:
issue-tracking
x_refsource_REDHAT
Hyperlink: https://bugzilla.samba.org/show_bug.cgi?id=15424
Resource: N/A
Hyperlink: https://security.netapp.com/advisory/ntap-20231124-0002/
Resource: N/A
Hyperlink: https://www.samba.org/samba/security/CVE-2023-4154.html
Resource: N/A
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://access.redhat.com/security/cve/CVE-2023-4154
vdb-entry
x_refsource_REDHAT
x_transferred
https://bugzilla.redhat.com/show_bug.cgi?id=2241883
issue-tracking
x_refsource_REDHAT
x_transferred
https://bugzilla.samba.org/show_bug.cgi?id=15424
x_transferred
https://security.netapp.com/advisory/ntap-20231124-0002/
x_transferred
https://www.samba.org/samba/security/CVE-2023-4154.html
x_transferred
Hyperlink: https://access.redhat.com/security/cve/CVE-2023-4154
Resource:
vdb-entry
x_refsource_REDHAT
x_transferred
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=2241883
Resource:
issue-tracking
x_refsource_REDHAT
x_transferred
Hyperlink: https://bugzilla.samba.org/show_bug.cgi?id=15424
Resource:
x_transferred
Hyperlink: https://security.netapp.com/advisory/ntap-20231124-0002/
Resource:
x_transferred
Hyperlink: https://www.samba.org/samba/security/CVE-2023-4154.html
Resource:
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:secalert@redhat.com
Published At:07 Nov, 2023 | 20:15
Updated At:29 Dec, 2023 | 05:15

A design flaw was found in Samba's DirSync control implementation, which exposes passwords and secrets in Active Directory to privileged users and Read-Only Domain Controllers (RODCs). This flaw allows RODCs and users possessing the GET_CHANGES right to access all attributes, including sensitive secrets and passwords. Even in a default setup, RODC DC accounts, which should only replicate some passwords, can gain access to all domain secrets, including the vital krbtgt, effectively eliminating the RODC / DC distinction. Furthermore, the vulnerability fails to account for error conditions (fail open), like out-of-memory situations, potentially granting access to secret attributes, even under low-privileged attacker influence.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Secondary3.17.5HIGH
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Type: Primary
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Type: Secondary
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CPE Matches

Samba
samba
>>samba>>Versions from 4.0.0(inclusive) to 4.17.12(exclusive)
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
Samba
samba
>>samba>>Versions from 4.18.0(inclusive) to 4.18.8(exclusive)
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
Samba
samba
>>samba>>Versions from 4.19.0(inclusive) to 4.19.1(exclusive)
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-787Primarynvd@nist.gov
CWE-787Secondarysecalert@redhat.com
CWE ID: CWE-787
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-787
Type: Secondary
Source: secalert@redhat.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://access.redhat.com/security/cve/CVE-2023-4154secalert@redhat.com
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2241883secalert@redhat.com
Issue Tracking
https://bugzilla.samba.org/show_bug.cgi?id=15424secalert@redhat.com
Issue Tracking
Patch
https://security.netapp.com/advisory/ntap-20231124-0002/secalert@redhat.com
N/A
https://www.samba.org/samba/security/CVE-2023-4154.htmlsecalert@redhat.com
Vendor Advisory
Hyperlink: https://access.redhat.com/security/cve/CVE-2023-4154
Source: secalert@redhat.com
Resource:
Third Party Advisory
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=2241883
Source: secalert@redhat.com
Resource:
Issue Tracking
Hyperlink: https://bugzilla.samba.org/show_bug.cgi?id=15424
Source: secalert@redhat.com
Resource:
Issue Tracking
Patch
Hyperlink: https://security.netapp.com/advisory/ntap-20231124-0002/
Source: secalert@redhat.com
Resource: N/A
Hyperlink: https://www.samba.org/samba/security/CVE-2023-4154.html
Source: secalert@redhat.com
Resource:
Vendor Advisory

Change History

0
Information is not available yet

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