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EclipseCVE-2018-12550

HistoryMar 27, 2019 - 6:29 p.m.

CVE-2018-12550

2019-03-2718:29:00

CWE-440

eclipse

web.nvd.nist.gov

140

eclipse mosquitto

cve-2018-12550

acl file

security vulnerability

nvd

access control restrictions

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

6.9

Confidence

High

EPSS

0.002

Percentile

53.2%

JSON

When Eclipse Mosquitto version 1.0 to 1.5.5 (inclusive) is configured to use an ACL file, and that ACL file is empty, or contains only comments or blank lines, then Mosquitto will treat this as though no ACL file has been defined and use a default allow policy. The new behaviour is to have an empty ACL file mean that all access is denied, which is not a useful configuration but is not unexpected.

Affected configurations

Nvd

Node

eclipsemosquittoRange1.0–1.5.5

VendorProductVersionCPE
eclipsemosquitto*cpe:2.3:a:eclipse:mosquitto:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
eclipse	mosquitto	*	cpe:2.3:a:eclipse:mosquitto::::::::

CNA Affected

[
  {
    "product": "Eclipse Mosquitto",
    "vendor": "The Eclipse Foundation",
    "versions": [
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "1.0",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "1.5.5",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]