CVE-2021-4080: Bytefury/crater Crater Is Vulnerable To Unrestricted Vulnerability

HIGH
Advisory Identifier: GHSA-wppj-3pjr-9w79
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CVSS 8.8
CWE-434
Published
Advisory Summary

CVE-2021-4080 is a HIGH (CVSS 8.8) crater is vulnerable to unrestricted vulnerability (CWE-434: Unrestricted Upload of File with Dangerous Type) affecting Bytefury/crater libraries in the Packagist ecosystem. The issue involves crater is vulnerable to unrestricted upload of file with dangerous type. Remediation is available by upgrading affected packages to version 6.0.0.

CVE-2021-4080 at a Glance

CVE Identifier CVE-2021-4080
GHSA Identifier GHSA-wppj-3pjr-9w79
Severity HIGH
CVSS v3.1 Base Score 8.8
CWE Classification CWE-434: Unrestricted Upload of File with Dangerous Type
Affected Product Bytefury/crater
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 8.8

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

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

How to Fix CVE-2021-4080

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

bytefury/crater fixed: 6.0.0 
Upgrade bytefury/crater to 6.0.0
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 bytefury/crater

How to Check if You Are Affected

To determine whether your application is affected by CVE-2021-4080, inspect your project dependencies for Bytefury/crater:

inspect dependencies for bytefury/crater

Analyze the terminal output to locate any version of Bytefury/crater in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 6.0.0), 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-434: Unrestricted Upload of File with Dangerous Type, where the product allows the upload or transfer of dangerous file types that are automatically processed within its environment. In Bytefury/crater, 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

crater is vulnerable to Unrestricted Upload of File with Dangerous Type

CVE-2021-4080 Affected Bytefury/crater Versions

1 component(s)
Fixed Versions:
6.0.0
Product / Package Ecosystem Affected Versions Fixed Version
bytefury/crater
 Packagist
< 6.0.0
6.0.0

References

NVD — CVE-2021-4080 NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-4080
Security Fix Commit FIX COMMIT
https://github.com/crater-invoice/crater/commit/cdc913d16cf624aee852bc9163a7c6ffc8d1da9d
Bytefury/crater Source Repository REPOSITORY
https://github.com/crater-invoice/crater
huntr.dev/bounties/d7453360-b... WEB
https://huntr.dev/bounties/d7453360-baca-4e56-985f-481275fa38db

Frequently Asked Questions

What is CVE-2021-4080?
CVE-2021-4080 is a security vulnerability in Bytefury/crater involving crater is vulnerable to Unrestricted Upload of File with Dangerous Type under CWE-434: Unrestricted Upload of File with Dangerous Type.
Which Bytefury/crater versions are affected?
Affected versions include releases prior to 6.0.0 across affected packages: bytefury/crater.
What version fixes CVE-2021-4080?
Upgrading to 6.0.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is bytefury/crater affected?
Yes, bytefury/crater is affected in releases prior to 6.0.0. Upgrade your dependency to 6.0.0 or later.
What is the CVSS score of CVE-2021-4080?
CVE-2021-4080 has a CVSS v3.1 base score of 8.8 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2021-4080?
CVE-2021-4080 is classified under CWE-434: Unrestricted Upload of File with Dangerous Type (The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.).
How can I check Packagist dependencies for CVE-2021-4080?
Run the dependency tree command: 'inspect dependencies for bytefury/crater'. 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-wppj-3pjr-9w79",
  "modified" : "2022-01-20T15:08:18Z",
  "published" : "2022-01-21T23:55:11Z",
  "aliases" : [ "CVE-2021-4080" ],
  "summary" : "crater is vulnerable to Unrestricted Upload of File with Dangerous Type",
  "details" : "crater is vulnerable to Unrestricted Upload of File with Dangerous Type",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "bytefury/crater"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "6.0.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2021-4080"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/crater-invoice/crater/commit/cdc913d16cf624aee852bc9163a7c6ffc8d1da9d"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/crater-invoice/crater"
  }, {
    "type" : "WEB",
    "url" : "https://huntr.dev/bounties/d7453360-baca-4e56-985f-481275fa38db"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-434" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-01-20T15:08:18Z",
    "nvd_published_at" : "2022-01-12T14:15:00Z"
  }
}