CVE-2018-0573: Baserproject/basercms BaserCMS Access Control Bypass Vulnerability

MODERATE
Advisory Identifier: GHSA-33fq-qm4m-cjw3
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CVSS 5.3
CWE-269
Published
Advisory Summary

CVE-2018-0573 is a MODERATE (CVSS 5.3) basercms access control bypass vulnerability (CWE-269: Improper Privilege Management) affecting Baserproject/basercms libraries in the Packagist ecosystem. The issue involves basercms access control bypass. Remediation is available by upgrading affected packages to version 3.0.16, 4.1.1.

CVE-2018-0573 at a Glance

CVE Identifier CVE-2018-0573
GHSA Identifier GHSA-33fq-qm4m-cjw3
Severity MODERATE
CVSS v3.1 Base Score 5.3
CWE Classification CWE-269: Improper Privilege Management
Affected Product Baserproject/basercms
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 5.3

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality Low (C:L)
Integrity None (I:N)
Availability None (A:N)

How to Fix CVE-2018-0573

To remediate this vulnerability, upgrade all affected Baserproject/basercms dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

baserproject/basercms fixed: 3.0.16 
Upgrade baserproject/basercms to 3.0.16
baserproject/basercms fixed: 4.1.1 
Upgrade baserproject/basercms to 4.1.1
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for baserproject/basercms

How to Check if You Are Affected

To determine whether your application is affected by CVE-2018-0573, inspect your project dependencies for Baserproject/basercms:

inspect dependencies for baserproject/basercms

Analyze the terminal output to locate any version of Baserproject/basercms in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 3.0.16), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-269: Improper Privilege Management, where the product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. In Baserproject/basercms, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

baserCMS (baserCMS 4.1.0.1 and earlier versions, baserCMS 3.0.15 and earlier versions) allows remote attackers to bypass access restriction for a content to view a file which is uploaded by a site user via unspecified vectors.

CVE-2018-0573 Affected Baserproject/basercms Versions

2 component(s)
Fixed Versions:
3.0.164.1.1
Product / Package Ecosystem Affected Versions Fixed Version
baserproject/basercms
 Packagist
< 3.0.16
3.0.16
baserproject/basercms
 Packagist
≥ 4.0.0
< 4.1.1
4.1.1

References

NVD — CVE-2018-0573 NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-0573
Baserproject/basercms Security Information SECURITY
https://basercms.net/security/JVN67881316
jvn.jp/en/jp/jvn67881316/i... WEB
http://jvn.jp/en/jp/JVN67881316/index.html

Frequently Asked Questions

What is CVE-2018-0573?
CVE-2018-0573 is a security vulnerability in Baserproject/basercms involving baserCMS Access Control Bypass under CWE-269: Improper Privilege Management.
Which Baserproject/basercms versions are affected?
Affected versions include releases prior to 3.0.16, 4.1.1 across affected packages: baserproject/basercms.
What version fixes CVE-2018-0573?
Upgrading to 3.0.16, 4.1.1 (or the latest patched release for your respective branch) resolves the vulnerability.
Is baserproject/basercms affected?
Yes, baserproject/basercms is affected in releases prior to 3.0.16, 4.1.1. Upgrade your dependency to 3.0.16, 4.1.1 or later.
What is the CVSS score of CVE-2018-0573?
CVE-2018-0573 has a CVSS v3.1 base score of 5.3 (MODERATE) with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
What CWE is associated with CVE-2018-0573?
CVE-2018-0573 is classified under CWE-269: Improper Privilege Management (The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.).
How can I check Packagist dependencies for CVE-2018-0573?
Run the dependency tree command: 'inspect dependencies for baserproject/basercms'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-33fq-qm4m-cjw3",
  "modified" : "2023-07-06T22:02:52Z",
  "published" : "2022-05-13T01:48:18Z",
  "aliases" : [ "CVE-2018-0573" ],
  "summary" : "baserCMS Access Control Bypass ",
  "details" : "baserCMS (baserCMS 4.1.0.1 and earlier versions, baserCMS 3.0.15 and earlier versions) allows remote attackers to bypass access restriction for a content to view a file which is uploaded by a site user via unspecified vectors.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "baserproject/basercms"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "3.0.16"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "<= 3.0.15"
    }
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "baserproject/basercms"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "4.0.0"
      }, {
        "fixed" : "4.1.1"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "<= 4.1.0.1"
    }
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2018-0573"
  }, {
    "type" : "WEB",
    "url" : "https://basercms.net/security/JVN67881316"
  }, {
    "type" : "WEB",
    "url" : "http://jvn.jp/en/jp/JVN67881316/index.html"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-269" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-07-06T22:02:52Z",
    "nvd_published_at" : "2018-06-26T14:29:00Z"
  }
}