CVE-2024-41256: Github.com/mickael kerjean/filestash Filestash Skips TLS Certificate Verification Vulnerability

HIGH
Advisory Identifier: GHSA-mpvx-whpp-99xj
Share
CVSS 8.1
CWE-295
Published
Advisory Summary

CVE-2024-41256 is a HIGH (CVSS 8.1) filestash skips tls certificate verification vulnerability (CWE-295: Improper Certificate Validation) affecting Github.com/mickael kerjean/filestash libraries in the Go ecosystem. The issue involves filestash skips tls certificate verification process when sending out email verification codes. Remediation is available in the latest vendor maintenance releases.

CVE-2024-41256 at a Glance

CVE Identifier CVE-2024-41256
GHSA Identifier GHSA-mpvx-whpp-99xj
Severity HIGH
CVSS v3.1 Base Score 8.1
CWE Classification CWE-295: Improper Certificate Validation
Affected Product Github.com/mickael kerjean/filestash
Package Ecosystem Go
Published Date
Last Updated

Security Impact

CVSS: 8.1

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:N).

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 None (A:N)

How to Fix CVE-2024-41256

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-2024-41256, 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-295: Improper Certificate Validation, where the product does not validate, or incorrectly validates, a certificate. 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

Default configurations in the ShareProofVerifier function of filestash v0.4 causes the application to skip the TLS certificate verification process when sending out email verification codes, possibly allowing attackers to access sensitive data via a man-in-the-middle attack.

CVE-2024-41256 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-2024-41256 NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-41256
Github.com/mickael kerjean/filestash Source Repository REPOSITORY
https://github.com/mickael-kerjean/filestash/issues/709
Github.com/mickael kerjean/filestash Source Repository REPOSITORY
https://gist.github.com/nyxfqq/a6da3fe6128b978ea1aaa5df639d5f98
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/model/share.go#L132
pkg.go.dev/vuln/go-2024-3035 WEB
https://pkg.go.dev/vuln/GO-2024-3035

Frequently Asked Questions

What is CVE-2024-41256?
CVE-2024-41256 is a security vulnerability in Github.com/mickael kerjean/filestash involving Filestash skips TLS certificate verification process when sending out email verification codes under CWE-295: Improper Certificate Validation.
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-2024-41256?
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-2024-41256?
CVE-2024-41256 has a CVSS v3.1 base score of 8.1 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.
What CWE is associated with CVE-2024-41256?
CVE-2024-41256 is classified under CWE-295: Improper Certificate Validation (The product does not validate, or incorrectly validates, a certificate.).
How can I check Go dependencies for CVE-2024-41256?
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-mpvx-whpp-99xj",
  "modified" : "2025-03-19T15:35:13Z",
  "published" : "2024-07-31T21:32:38Z",
  "aliases" : [ "CVE-2024-41256" ],
  "summary" : "Filestash skips TLS certificate verification process when sending out email verification codes",
  "details" : "Default configurations in the ShareProofVerifier function of filestash v0.4 causes the application to skip the TLS certificate verification process when sending out email verification codes, possibly allowing attackers to access sensitive data via a man-in-the-middle attack.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"
  }, {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/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-2024-41256"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/mickael-kerjean/filestash/issues/709"
  }, {
    "type" : "WEB",
    "url" : "https://gist.github.com/nyxfqq/a6da3fe6128b978ea1aaa5df639d5f98"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/mickael-kerjean/filestash"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/mickael-kerjean/filestash/blob/master/server/model/share.go#L132"
  }, {
    "type" : "WEB",
    "url" : "https://pkg.go.dev/vuln/GO-2024-3035"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-295" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-08-02T16:40:57Z",
    "nvd_published_at" : "2024-07-31T21:15:18Z"
  }
}