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kasperskyKaspersky LabKLA12439
HistoryJan 31, 2022 - 12:00 a.m.

KLA12439 Multiple vulnerabilities in Samba

2022-01-3100:00:00
Kaspersky Lab
threats.kaspersky.com
31

9 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:S/C:C/I:C/A:C

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

10 High

AI Score

Confidence

High

0.18 Low

EPSS

Percentile

96.2%

Multiple vulnerabilities were found in Samba. Malicious users can exploit these vulnerabilities to execute arbitrary code, cause denial of service.

Below is a complete list of vulnerabilities:

  1. Out of bounds heap read write vulnerability can be exploited remotely to execute arbitrary code.
  2. Security bypass vulnerability can be exploited to cause denial of service.

Original advisories

CVE-2021-44142

CVE-2022-0336

Exploitation

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.

Related products

Samba

CVE list

CVE-2021-44142 critical

CVE-2022-0336 critical

Solution

Update to the latest version

Download Samba

Impacts

  • ACE

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

  • DoS

Denial of service. Exploitation of vulnerabilities with this impact can lead to loss of system availability or critical functional fault.

  • SB

Security bypass. Exploitation of vulnerabilities with this impact can lead to performing actions restricted by current security settings.

Affected Products

  • Samba earlier than 4.13.17Samba 4.14.x earlier than 4.14.12Samba 4.15.x earlier than 4.15.5

9 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:S/C:C/I:C/A:C

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

10 High

AI Score

Confidence

High

0.18 Low

EPSS

Percentile

96.2%