Vulnerability Name:

CVE-2021-44141

Assigned:2021-11-22
Published:2021-11-22
Updated:2024-06-01
Summary: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.
CVSS v3 Severity:4.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
6.5 Medium (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:3.5 Low (CVSS v2 Vector: AV:N/AC:M/Au:S/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
References:Source: MITRE
Type: CNA
CVE-2021-44141

Vulnerable Configuration:Configuration RedHat 1:
  • cpe:/a:redhat:enterprise_linux:8:*:*:*:*:*:*:*
    • Configuration RedHat 2:
  • cpe:/a:redhat:enterprise_linux:8::appstream:*:*:*:*:*
    • Configuration RedHat 3:
  • cpe:/a:redhat:enterprise_linux:8::crb:*:*:*:*:*
    • Configuration RedHat 4:
  • cpe:/o:redhat:enterprise_linux:8:*:*:*:*:*:*:*
    • Configuration RedHat 5:
  • cpe:/o:redhat:enterprise_linux:8::baseos:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:7662
    P
    		libsamba-policy-devel-4.17.7+git.330.4057cd7a27a-150500.1.2 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:3072
    P
    		fuse-2.9.3-6.3.1 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:94702
    P
    		libsamba-policy-devel-4.15.5+git.328.f1f29505d84-150400.1.44 on GA media (Moderate)
    2022-06-22
    oval:com.redhat.rhsa:def:20222074
    P
    		RHSA-2022:2074: samba security, bug fix, and enhancement update (Moderate)
    2022-05-10
    oval:org.opensuse.security:def:4303
    P
    		Security update for samba (Critical)
    2022-02-14
    oval:org.opensuse.security:def:5339
    P
    		Security update for samba (Critical)
    2022-02-14
    oval:org.opensuse.security:def:6156
    P
    		Security update for samba (Critical)
    2022-02-14
    oval:org.opensuse.security:def:1757
    P
    		Security update for samba (Critical)
    2022-02-08
    oval:org.opensuse.security:def:102146
    P
    		Security update for samba (Critical)
    2022-02-08
    oval:org.opensuse.security:def:99206
    P
    		 (Critical)
    2022-02-08
    oval:org.opensuse.security:def:935
    P
    		Security update for samba (Critical)
    2022-02-08
    oval:org.opensuse.security:def:100410
    P
    		 (Critical)
    2022-02-08
    oval:org.opensuse.security:def:102246
    P
    		Security update for samba (Critical)
    2022-02-08
    oval:org.opensuse.security:def:99480
    P
    		 (Critical)
    2022-02-08
    oval:org.opensuse.security:def:1586
    P
    		Security update for samba (Critical)
    2022-02-08
    oval:org.opensuse.security:def:100744
    P
    		 (Critical)
    2022-02-08
    oval:org.opensuse.security:def:42332
    P
    		Security update for samba (Critical)
    2022-02-08
    oval:org.opensuse.security:def:102309
    P
    		Security update for samba (Critical)
    2022-02-08
    oval:org.opensuse.security:def:99742
    P
    		 (Critical)
    2022-02-08
    oval:org.opensuse.security:def:1685
    P
    		Security update for samba (Critical)
    2022-02-08
    oval:org.opensuse.security:def:101627
    P
    		Security update for samba (Critical)
    2022-02-08
    oval:org.opensuse.security:def:100072
    P
    		 (Critical)
    2022-02-08
    BACK