CVE-2021-44141 Detail

Current Description

All versions of Samba prior to 4.15.5 are vulnerable to a malicious client using a server symlink to determine if a file or directory exists in an area of the server file system not exported under the share definition. SMB1 with unix extensions has to be enabled in order for this attack to succeed.

View Analysis Description

Analysis Description

All versions of Samba prior to 4.15.5 are vulnerable to a malicious client using a server symlink to determine if a file or directory exists in an area of the server file system not exported under the share definition. SMB1 with unix extensions has to be enabled in order for this attack to succeed.

Severity

CVSS 3.x Severity and Metrics:

CVSS 2.0 Severity and Metrics:

References to Advisories, Solutions, and Tools

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Weakness Enumeration

CWE-ID CWE Name Source
CWE-59 Improper Link Resolution Before File Access (‘Link Following’) NIST  
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor Red Hat, Inc.  

Change History

1 change records found show changes

Initial Analysis 2/23/2022 10:17:48 AM

Action Type Old Value New Value
Added CPE Configuration
OR
     *cpe:2.3:a:redhat:storage:3.0:*:*:*:*:*:*:*
Added CPE Configuration
OR
     *cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* versions up to (excluding) 4.15.5
Added CPE Configuration
OR
     *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
     *cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
Added CVSS V2
NIST (AV:N/AC:M/Au:S/C:P/I:N/A:N)
Added CVSS V3.1
NIST AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Added CWE
NIST CWE-59
Changed Reference Type
https://www.samba.org/samba/security/CVE-2021-44141.html No Types Assigned
https://www.samba.org/samba/security/CVE-2021-44141.html Mitigation, Vendor Advisory

Quick Info

CVE Dictionary Entry:
CVE-2021-44141
NVD Published Date:
02/21/2022
NVD Last Modified:
02/23/2022
Source:
Red Hat, Inc.