CVE-2021-44150: Tusdotnet Use Of Sha-1 Vulnerability

LOW
Advisory Identifier: GHSA-frcx-xc72-c4v4
CVSS 3.1
CWE-327
Published
Advisory Summary

CVE-2021-44150 is a LOW (CVSS 3.1) use of sha-1 vulnerability (CWE-327: Use of a Broken or Risky Cryptographic Algorithm) affecting Tusdotnet libraries in the NuGet ecosystem. The issue involves use of sha-1 in tusdotnet. Remediation is available in the latest vendor maintenance releases.

CVE-2021-44150 at a Glance

CVE Identifier CVE-2021-44150
GHSA Identifier GHSA-frcx-xc72-c4v4
Severity LOW
CVSS v3.1 Base Score 3.1
CWE Classification CWE-327: Use of a Broken or Risky Cryptographic Algorithm
Affected Product Tusdotnet
Package Ecosystem NuGet
Published Date
Last Updated

Security Impact

CVSS: 3.1

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

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

How to Fix CVE-2021-44150

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

tusdotnet fixed: Latest secure release
Upgrade tusdotnet 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 tusdotnet

How to Check if You Are Affected

To determine whether your application is affected by CVE-2021-44150, inspect your project dependencies for Tusdotnet:

inspect dependencies for tusdotnet

Analyze the terminal output to locate any version of Tusdotnet 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-327: Use of a Broken or Risky Cryptographic Algorithm, where the product uses a broken or risky cryptographic algorithm or protocol. In Tusdotnet, 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

# Withdrawn After reviewing this CVE, we have withdrawn this advisory due to it not having actual security impact. # Original Advisory The client in tusdotnet through 2.5.0 relies on SHA-1 to prevent spoofing of file content.

CVE-2021-44150 Affected Tusdotnet Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
tusdotnet
NuGet
≤ 2.5.0

References

Frequently Asked Questions

What is CVE-2021-44150?
CVE-2021-44150 is a security vulnerability in Tusdotnet involving Use of Sha-1 in tusdotnet under CWE-327: Use of a Broken or Risky Cryptographic Algorithm.
Which Tusdotnet versions are affected?
Affected versions include releases prior to current release patches across affected packages: tusdotnet.
What version fixes CVE-2021-44150?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is tusdotnet affected?
Yes, tusdotnet 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-2021-44150?
CVE-2021-44150 has a CVSS v3.1 base score of 3.1 (LOW) with vector string CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N.
What CWE is associated with CVE-2021-44150?
CVE-2021-44150 is classified under CWE-327: Use of a Broken or Risky Cryptographic Algorithm (The product uses a broken or risky cryptographic algorithm or protocol.).
How can I check NuGet dependencies for CVE-2021-44150?
Run the dependency tree command: 'inspect dependencies for tusdotnet'. 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
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-frcx-xc72-c4v4",
  "modified" : "2021-11-30T21:55:50Z",
  "published" : "2021-11-29T18:09:08Z",
  "withdrawn" : "2021-11-30T21:33:03Z",
  "aliases" : [ "CVE-2021-44150" ],
  "summary" : "Use of Sha-1 in tusdotnet",
  "details" : "# Withdrawn\n\nAfter reviewing this CVE, we have withdrawn this advisory due to it not having actual security impact.\n\n# Original Advisory\n\nThe client in tusdotnet through 2.5.0 relies on SHA-1 to prevent spoofing of file content.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "NuGet",
      "name" : "tusdotnet"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "2.5.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2021-44150"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/github/advisory-database/issues/2324"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/tusdotnet/tusdotnet/issues/157"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/tusdotnet/tusdotnet"
  }, {
    "type" : "WEB",
    "url" : "https://shattered.io"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-327" ],
    "severity" : "LOW",
    "github_reviewed" : true,
    "github_reviewed_at" : "2021-11-23T19:18:34Z",
    "nvd_published_at" : "2021-11-22T22:15:00Z"
  }
}