Vulnerabilities in pkg:nuget/Autoupdater.NET.Official

PACKAGE
Advisory Identifier: GHSA-75p2-hgw4-g7f7
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Advisory Summary

CVE-2019-20627 is a CRITICAL (CVSS 9.8) autoupdater.net allows xxe vulnerability (CWE-611: Improper Restriction of XML External Entity Reference) affecting Autoupdater.NET.Official libraries in the NuGet ecosystem. The issue involves autoupdater.net allows xxe. Remediation is available by upgrading affected packages to version 1.5.8.

1 Known Advisory Record(s)
Package Vulnerability Intelligence

pkg:nuget/Autoupdater.NET.Official

1 Known Advisory Record(s)

Vulnerability advisories affecting package pkg:nuget/Autoupdater.NET.Official. Select an advisory below to view technical details or fixes.

Advisory ID CVE / NVD Severity Summary
GHSA-75p2-hgw4-g7f7 CVE-2019-20627 CRITICAL AutoUpdater.NET allows XXE

CVE-2019-20627 at a Glance

CVE Identifier CVE-2019-20627
GHSA Identifier GHSA-75p2-hgw4-g7f7
Severity CRITICAL
CVSS v3.1 Base Score 9.8
CWE Classification CWE-611: Improper Restriction of XML External Entity Reference
Affected Product Autoupdater.NET.Official
Package Ecosystem NuGet
Published Date
Last Updated

Security Impact

CVSS: 9.8

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

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 High (C:H)
Integrity High (I:H)
Availability High (A:H)

How to Fix CVE-2019-20627

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

Autoupdater.NET.Official fixed: 1.5.8 
Upgrade Autoupdater.NET.Official to 1.5.8
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 Autoupdater.NET.Official

How to Check if You Are Affected

To determine whether your application is affected by CVE-2019-20627, inspect your project dependencies for Autoupdater.NET.Official:

inspect dependencies for Autoupdater.NET.Official

Analyze the terminal output to locate any version of Autoupdater.NET.Official in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.5.8), 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-611: Improper Restriction of XML External Entity Reference, where the product processes an xml document that can contain xml entities with uris that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. In Autoupdater.NET.Official, 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

AutoUpdater.cs in AutoUpdater.NET before 1.5.8 allows XXE.

CVE-2019-20627 Affected Autoupdater.NET.Official Versions

1 component(s)
Fixed Versions:
1.5.8
Product / Package Ecosystem Affected Versions Fixed Version
Autoupdater.NET.Official
nuget/Autoupdater.NET.Official
NuGet
< 1.5.8
1.5.8

References

NVD — CVE-2019-20627 NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-20627
Security Fix Commit FIX COMMIT
https://github.com/ravibpatel/AutoUpdater.NET/commit/1dc25f2bea6ea522dbac1512b5563c4746d539c3
Autoupdater.NET.Official Source Repository REPOSITORY
https://github.com/ravibpatel/AutoUpdater.NET
Autoupdater.NET.Official Release RELEASE
https://github.com/ravibpatel/AutoUpdater.NET/releases/tag/v1.5.8
Autoupdater.NET.Official Security Information SECURITY
https://www.doyler.net/security-not-included/autoupdater-net-vulnerability

Frequently Asked Questions

What is CVE-2019-20627?
CVE-2019-20627 is a security vulnerability in Autoupdater.NET.Official involving AutoUpdater.NET allows XXE under CWE-611: Improper Restriction of XML External Entity Reference.
Which Autoupdater.NET.Official versions are affected?
Affected versions include releases prior to 1.5.8 across affected packages: Autoupdater.NET.Official.
What version fixes CVE-2019-20627?
Upgrading to 1.5.8 (or the latest patched release for your respective branch) resolves the vulnerability.
Is Autoupdater.NET.Official affected?
Yes, Autoupdater.NET.Official is affected in releases prior to 1.5.8. Upgrade your dependency to 1.5.8 or later.
What is the CVSS score of CVE-2019-20627?
CVE-2019-20627 has a CVSS v3.1 base score of 9.8 (CRITICAL) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2019-20627?
CVE-2019-20627 is classified under CWE-611: Improper Restriction of XML External Entity Reference (The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.).
How can I check NuGet dependencies for CVE-2019-20627?
Run the dependency tree command: 'inspect dependencies for Autoupdater.NET.Official'. 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-75p2-hgw4-g7f7",
  "modified" : "2023-09-26T20:43:47Z",
  "published" : "2022-05-24T17:12:10Z",
  "aliases" : [ "CVE-2019-20627" ],
  "summary" : "AutoUpdater.NET allows XXE",
  "details" : "AutoUpdater.cs in AutoUpdater.NET before 1.5.8 allows XXE.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "NuGet",
      "name" : "Autoupdater.NET.Official"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "1.5.8"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2019-20627"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/ravibpatel/AutoUpdater.NET/commit/1dc25f2bea6ea522dbac1512b5563c4746d539c3"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/ravibpatel/AutoUpdater.NET"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/ravibpatel/AutoUpdater.NET/releases/tag/v1.5.8"
  }, {
    "type" : "WEB",
    "url" : "https://www.doyler.net/security-not-included/autoupdater-net-vulnerability"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-611" ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-07-18T22:29:18Z",
    "nvd_published_at" : "2020-03-23T17:15:00Z"
  }
}