CVE-2024-41255: Github.com/mickael kerjean/filestash Filestash Configured To Skip TLS Vulnerability

HIGH
Advisory Identifier: GHSA-4jmm-c6jw-g796
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CVSS 5.9
CWE-453 CWE-295
Published
Advisory Summary

CVE-2024-41255 is a HIGH (CVSS 5.9) filestash configured to skip tls vulnerability (CWE-453: Insecure Default Variable Initialization) affecting Github.com/mickael kerjean/filestash libraries in the Go ecosystem. The issue involves filestash configured to skip tls certificate verification when using the ftps protocol. Remediation is available in the latest vendor maintenance releases.

CVE-2024-41255 at a Glance

CVE Identifier CVE-2024-41255
GHSA Identifier GHSA-4jmm-c6jw-g796
Severity HIGH
CVSS v3.1 Base Score 5.9
CWE Classification CWE-453: Insecure Default Variable Initialization
Affected Product Github.com/mickael kerjean/filestash
Package Ecosystem Go
Published Date
Last Updated

Security Impact

CVSS: 5.9

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

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

How to Fix CVE-2024-41255

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

github.com/mickael-kerjean/filestash fixed: Latest secure release 
Upgrade github.com/mickael-kerjean/filestash 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 github.com/mickael-kerjean/filestash

How to Check if You Are Affected

To determine whether your application is affected by CVE-2024-41255, inspect your project dependencies for Github.com/mickael kerjean/filestash:

inspect dependencies for github.com/mickael-kerjean/filestash

Analyze the terminal output to locate any version of Github.com/mickael kerjean/filestash 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-453: Insecure Default Variable Initialization, where the product, by default, initializes an internal variable with an insecure or less secure value than is possible. In Github.com/mickael kerjean/filestash, 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

filestash v0.4 is configured to skip TLS certificate verification when using the FTPS protocol, possibly allowing attackers to execute a man-in-the-middle attack via the Init function of index.go.

CVE-2024-41255 Affected Github.com/mickael kerjean/filestash Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
github.com/mickael-kerjean/filestash
golang/github.com/mickael-kerjean/filestash
Go
≤ 0.4

References

NVD — CVE-2024-41255 NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-41255
Github.com/mickael kerjean/filestash Source Repository REPOSITORY
https://github.com/mickael-kerjean/filestash/issues/710
Github.com/mickael kerjean/filestash Source Repository REPOSITORY
https://gist.github.com/nyxfqq/c367f2ca9448810924dcf0f1af30b441
GitHub Advisory / Wiki ADVISORY
https://github.com/advisories/GHSA-4jmm-c6jw-g796
Github.com/mickael kerjean/filestash Source Repository REPOSITORY
https://github.com/mickael-kerjean/filestash
Github.com/mickael kerjean/filestash Source Repository REPOSITORY
https://github.com/mickael-kerjean/filestash/blob/master/server/plugin/plg_backend_ftp/index.go#L108
pkg.go.dev/vuln/go-2024-3033 WEB
https://pkg.go.dev/vuln/GO-2024-3033

Frequently Asked Questions

What is CVE-2024-41255?
CVE-2024-41255 is a security vulnerability in Github.com/mickael kerjean/filestash involving Filestash configured to skip TLS certificate verification when using the FTPS protocol under CWE-453: Insecure Default Variable Initialization.
Which Github.com/mickael kerjean/filestash versions are affected?
Affected versions include releases prior to current release patches across affected packages: github.com/mickael-kerjean/filestash.
What version fixes CVE-2024-41255?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is github.com/mickael-kerjean/filestash affected?
Yes, github.com/mickael-kerjean/filestash 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-2024-41255?
CVE-2024-41255 has a CVSS v3.1 base score of 5.9 (HIGH) with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.
What CWE is associated with CVE-2024-41255?
CVE-2024-41255 is classified under CWE-453: Insecure Default Variable Initialization (The product, by default, initializes an internal variable with an insecure or less secure value than is possible.).
How can I check Go dependencies for CVE-2024-41255?
Run the dependency tree command: 'inspect dependencies for github.com/mickael-kerjean/filestash'. 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-4jmm-c6jw-g796",
  "modified" : "2024-09-06T21:37:51Z",
  "published" : "2024-07-31T21:32:38Z",
  "aliases" : [ "CVE-2024-41255" ],
  "summary" : "Filestash configured to skip TLS certificate verification when using the FTPS protocol",
  "details" : "filestash v0.4 is configured to skip TLS certificate verification when using the FTPS protocol, possibly allowing attackers to execute a man-in-the-middle attack via the Init function of index.go.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"
  }, {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/mickael-kerjean/filestash"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "0.4"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2024-41255"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/mickael-kerjean/filestash/issues/710"
  }, {
    "type" : "WEB",
    "url" : "https://gist.github.com/nyxfqq/c367f2ca9448810924dcf0f1af30b441"
  }, {
    "type" : "ADVISORY",
    "url" : "https://github.com/advisories/GHSA-4jmm-c6jw-g796"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/mickael-kerjean/filestash"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/mickael-kerjean/filestash/blob/master/server/plugin/plg_backend_ftp/index.go#L108"
  }, {
    "type" : "WEB",
    "url" : "https://pkg.go.dev/vuln/GO-2024-3033"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-295", "CWE-453" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-08-02T16:27:35Z",
    "nvd_published_at" : "2024-07-31T21:15:18Z"
  }
}