CVE-2021-4111: Yetiforce/yetiforce crm Remote Code Execution Vulnerability

HIGH
Advisory Identifier: GHSA-7v7w-f7c6-f829
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CVSS 7.3
CWE-20
Published
Advisory Summary

CVE-2021-4111 is a HIGH (CVSS 7.3) remote code execution vulnerability (CWE-20: Improper Input Validation) affecting Yetiforce/yetiforce crm libraries in the Packagist ecosystem. The issue involves yetiforcecrm is vulnerable to business logic errors because product amount can be a negative number. Remediation is available in the latest vendor maintenance releases.

CVE-2021-4111 at a Glance

CVE Identifier CVE-2021-4111
GHSA Identifier GHSA-7v7w-f7c6-f829
Severity HIGH
CVSS v3.1 Base Score 7.3
CWE Classification CWE-20: Improper Input Validation
Affected Product Yetiforce/yetiforce crm
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 7.3

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:L/A:L).

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 Low (I:L)
Availability Low (A:L)

How to Fix CVE-2021-4111

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

yetiforce/yetiforce-crm fixed: Latest secure release 
Upgrade yetiforce/yetiforce-crm to Latest secure release
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 yetiforce/yetiforce-crm

How to Check if You Are Affected

To determine whether your application is affected by CVE-2021-4111, inspect your project dependencies for Yetiforce/yetiforce crm:

inspect dependencies for yetiforce/yetiforce-crm

Analyze the terminal output to locate any version of Yetiforce/yetiforce crm in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), 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-20: Improper Input Validation, where the product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. In Yetiforce/yetiforce crm, 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

YetiForceCRM is vulnerable to Business Logic Errors because product amount can be a negative number.

CVE-2021-4111 Affected Yetiforce/yetiforce crm Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
yetiforce/yetiforce-crm
 Packagist
≤ 6.3.0

References

NVD — CVE-2021-4111 NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-4111
Security Fix Commit FIX COMMIT
https://github.com/yetiforcecompany/yetiforcecrm/commit/c1ad7111a090adfcd5898af40724907adc987acf
Yetiforce/yetiforce crm Source Repository REPOSITORY
https://github.com/yetiforcecompany/yetiforcecrm
huntr.dev/bounties/8afc8981-b... WEB
https://huntr.dev/bounties/8afc8981-baff-4082-b640-be535b29eb9a

Frequently Asked Questions

What is CVE-2021-4111?
CVE-2021-4111 is a security vulnerability in Yetiforce/yetiforce crm involving YetiForceCRM is vulnerable to Business Logic Errors because product amount can be a negative number under CWE-20: Improper Input Validation.
Which Yetiforce/yetiforce crm versions are affected?
Affected versions include releases prior to current release patches across affected packages: yetiforce/yetiforce-crm.
What version fixes CVE-2021-4111?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is yetiforce/yetiforce-crm affected?
Yes, yetiforce/yetiforce-crm is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What is the CVSS score of CVE-2021-4111?
CVE-2021-4111 has a CVSS v3.1 base score of 7.3 (HIGH) with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
What CWE is associated with CVE-2021-4111?
CVE-2021-4111 is classified under CWE-20: Improper Input Validation (The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.).
How can I check Packagist dependencies for CVE-2021-4111?
Run the dependency tree command: 'inspect dependencies for yetiforce/yetiforce-crm'. 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-7v7w-f7c6-f829",
  "modified" : "2022-08-11T18:47:52Z",
  "published" : "2021-12-16T21:01:15Z",
  "aliases" : [ "CVE-2021-4111" ],
  "summary" : "YetiForceCRM is vulnerable to Business Logic Errors because product amount can be a negative number",
  "details" : "YetiForceCRM is vulnerable to Business Logic Errors because product amount can be a negative number.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "yetiforce/yetiforce-crm"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "6.3.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2021-4111"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/yetiforcecompany/yetiforcecrm/commit/c1ad7111a090adfcd5898af40724907adc987acf"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/yetiforcecompany/yetiforcecrm"
  }, {
    "type" : "WEB",
    "url" : "https://huntr.dev/bounties/8afc8981-baff-4082-b640-be535b29eb9a"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-20" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2021-12-16T15:41:33Z",
    "nvd_published_at" : "2021-12-15T09:15:00Z"
  }
}