CVE-2021-44141

Published on: Not Yet Published

Last Modified on: 02/28/2022 05:50:05 PM UTC

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Certain versions of Fedora from Fedoraproject contain the following vulnerability:

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.

  • CVE-2021-44141 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as MEDIUM severity.

CVSS3 Score: 4.3 - MEDIUM

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK LOW LOW NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED LOW NONE NONE

CVSS2 Score: 3.5 - LOW

Access
Vector
Access
Complexity
Authentication
NETWORK MEDIUM SINGLE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
PARTIAL NONE NONE

CVE References

Description Tags Link
Samba - Security Announcement Archive Mitigation
Vendor Advisory
www.samba.org
text/html
URL Logo MISC www.samba.org/samba/security/CVE-2021-44141.html

Related QID Numbers

  • 159828 Oracle Enterprise Linux Security Update for samba (ELSA-2022-2074)
  • 240286 Red Hat Update for samba security (RHSA-2022:1756)
  • 240314 Red Hat Update for samba security (RHSA-2022:2074)
  • 282312 Fedora Security Update for samba (FEDORA-2022-50da406d40)
  • 282317 Fedora Security Update for samba (FEDORA-2022-055efdd9dc)
  • 502028 Alpine Linux Security Update for samba
  • 690784 Free Berkeley Software Distribution (FreeBSD) Security Update for samba (8579074c-839f-11ec-a3b2-005056a311d1)
  • 751680 OpenSUSE Security Update for samba (openSUSE-SU-2022:0283-1)
  • 751683 SUSE Enterprise Linux Security Update for samba (SUSE-SU-2022:0323-1)
  • 751994 SUSE Enterprise Linux Security Update for samba (SUSE-SU-2022:0283-1)
  • 901502 Common Base Linux Mariner (CBL-Mariner) Security Update for samba (8610)
  • 940520 AlmaLinux Security Update for samba (ALSA-2022:2074)
  • 960130 Rocky Linux Security Update for samba (RLSA-2022:2074)

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System
FedoraprojectFedora34AllAllAll
Operating
System
FedoraprojectFedora35AllAllAll
ApplicationRedhatStorage3.0AllAllAll
ApplicationSambaSambaAllAllAllAll
  • cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*:
  • cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*:
  • cpe:2.3:a:redhat:storage:3.0:*:*:*:*:*:*:*:
  • cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @softek_jp Samba に共有定義の外側にあるファイルまたはディレクトリの存在を特定される問題 (CVE-2021-44141) [41192] sid.softek.jp/content/show/4… #SIDfm #脆弱性情報 2022-02-01 06:04:46
Twitter Icon @PSantavy Samba - security flaws fixed samba.org/samba/latest_n… CVE-2021-44141, CVE-2021-44142, CVE-2022-0336 #CVE-2022-44142… twitter.com/i/web/status/1… 2022-02-01 20:15:19
Twitter Icon @OpenBSD_ports [email protected] modified net/samba: SECURITY UPDATE to samba-4.15.5 Fixes for CVE-2021-44141, CVE-2021-44142 and CVE-2022-0336… twitter.com/i/web/status/1… 2022-02-02 12:55:25
Twitter Icon @omokazuki SIOSセキュリティブログを更新しました。 Sambaの脆弱性情報(Critical: CVE-2021-44142, Important: CVE-2022-0336, Medium: CVE-2021-44141)と新バージ… twitter.com/i/web/status/1… 2022-02-02 22:05:50
Twitter Icon @ikatzsolutions Samba admins please note released security updates: samba.org/samba/security… samba.org/samba/security…twitter.com/i/web/status/1… 2022-02-03 07:07:25
Twitter Icon @qualys #Qualys released version 2 of its Unified Dashboard on Samba OOB Heap Read/Write | CVE-2021-44141, CVE-2021-44142,… twitter.com/i/web/status/1… 2022-02-03 22:48:07
Twitter Icon @hackerfantastic A trifecta of interesting vulnerabilities in Samba service, tons of stuff vulnerable. samba.org/samba/security… (path… twitter.com/i/web/status/1… 2022-02-04 16:03:59
Reddit Logo Icon /r/blueteamsec Heads up Samba users 2022-02-01 19:04:16
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