CVE-2020-14342

2020-09-0911:13:35

CWE-77

redhat

www.cve.org

cifs-utils

mount.cifs

samba password

arbitrary commands

sudo rules

privilege escalation

CVSS3

4.4

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

Confidence

High

EPSS

0.002

Percentile

61.2%

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.

CNA Affected

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