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[email protected]CVE-2020-14342

HistorySep 09, 2020 - 12:15 p.m.

CVE-2020-14342

2020-09-0912:15:11

CWE-77

CWE-78

[email protected]

web.nvd.nist.gov

195

cve

2020

14342

cifs-utils

mount.cifs

samba

password

shell invocation

arbitrary commands

privilege escalation

4.4 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:M/Au:N/C:P/I:P/A:P

7 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.9 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

52.4%

JSON

It was found that cifs-utils’ mount.cifs was invoking a shell when requesting the Samba password, which could be used to inject arbitrary commands. An attacker able to invoke mount.cifs with special permission, such as via sudo rules, could use this flaw to escalate their privileges.

Affected configurations

Vulners

NVD

Node

sambacifs-utilsRange≤6.11

VendorProductVersionCPE
sambacifs\-utils*cpe:2.3:a:samba:cifs\-utils:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
samba	cifs\-utils	*	cpe:2.3:a:samba:cifs\-utils::::::::

CNA Affected

[
  {
    "product": "cifs-utils",
    "vendor": "samba",
    "versions": [
      {
        "status": "affected",
        "version": "6.11"
      }
    ]
  }
]