Vulnerability-Lookup

GHSA-9CXH-GQPX-QC5M

Vulnerability from github – Published: 2021-10-12 17:49 – Updated: 2022-02-08 20:42

Summary

Credential Disclosure in System.DirectoryServices.Protocols

Details

Microsoft is releasing this security advisory to provide information about a vulnerability in .NET. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.

A Information Disclosure vulnerability exists in .NET where System.DirectoryServices.Protocols.LdapConnection may send credentials in plain text on Linux.

Patches

Any .NET application that uses System.DirectoryServices.Protocols with a vulnerable version listed below on system based on Linux.

Package name	Vulnerable versions	Secure versions
System.DirectoryServices.Protocols	5.0.0	5.0.1

Other Details

Announcement for this issue can be found at dotnet/announcements#202
An Issue for this can be found at https://github.com/dotnet/runtime/issues/60301
MSRC details for this can be found at https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-41355

Severity

5.7 (Medium)


                  
                    CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Show details on source website

JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "System.DirectoryServices.Protocols"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-41355"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-200"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-10-12T17:48:55Z",
    "nvd_published_at": "2021-10-13T01:15:00Z",
    "severity": "MODERATE"
  },
  "details": "Microsoft is releasing this security advisory to provide information about a vulnerability in .NET. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.\n\nA Information Disclosure vulnerability exists in .NET where System.DirectoryServices.Protocols.LdapConnection may send credentials in plain text on Linux.\n\n### Patches\nAny .NET application that uses `System.DirectoryServices.Protocols` with a vulnerable version listed below on system based on Linux.\n\nPackage name | Vulnerable versions | Secure versions\n------------ | ---------------- | -------------------------\nSystem.DirectoryServices.Protocols | 5.0.0  | 5.0.1\n\n### Other Details\n\n- Announcement for this issue can be found at dotnet/announcements#202\n- An Issue for this can be found at https://github.com/dotnet/runtime/issues/60301\n- MSRC details for this can be found at https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-41355",
  "id": "GHSA-9cxh-gqpx-qc5m",
  "modified": "2022-02-08T20:42:44Z",
  "published": "2021-10-12T17:49:25Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/dotnet/runtime/security/advisories/GHSA-9cxh-gqpx-qc5m"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-41355"
    },
    {
      "type": "WEB",
      "url": "https://github.com/dotnet/runtime/issues/60301"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/dotnet/runtime"
    },
    {
      "type": "WEB",
      "url": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-41355"
    },
    {
      "type": "WEB",
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41355"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com/security-alerts/cpujan2022.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Credential Disclosure in System.DirectoryServices.Protocols"
}

CVE-2021-41355 (GCVE-0-2021-41355)

Vulnerability from cvelistv5 – Published: 2021-10-13 00:28 – Updated: 2024-08-04 03:08

Title

.NET Core and Visual Studio Information Disclosure Vulnerability

Summary

.NET Core and Visual Studio Information Disclosure Vulnerability

Severity

5.7 (Medium)


                        
                          CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

CWE

Information Disclosure

Assigner

microsoft mitre root

References

2 references

URL	Tags
https://portal.msrc.microsoft.com/en-US/security-…	x_refsource_MISC
https://www.oracle.com/security-alerts/cpujan2022.html	x_refsource_MISC

Impacted products

4 products

Vendor	Product	Version
Microsoft	PowerShell 7.1	Affected: 7.1.0 , < 7.1.5 (custom) cpe:2.3:a:microsoft:powershell_core::::::::
Microsoft	Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8)	Affected: 15.0.0 , < 16.9.12 (custom) cpe:2.3:a:microsoft:visual_studio_2019:16.9:::::::*
Microsoft	Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10)	Affected: 16.11.0 , < 16.11.5 (custom) cpe:2.3:a:microsoft:visual_studio_2019::::::::
Microsoft	.NET 5.0	Affected: 5.0.0 , < 5.0.11 (custom) cpe:2.3:a:microsoft:.net::::::::

Date Public

2021-10-12 07:00

Show details on NVD website

JSON

To clipboard

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  "containers": {
    "adp": [
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            "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41355"
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            "cpe:2.3:a:microsoft:powershell_core:*:*:*:*:*:*:*:*"
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          "product": "PowerShell 7.1",
          "vendor": "Microsoft",
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      "metrics": [
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            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C",
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  "cveMetadata": {
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    "datePublished": "2021-10-13T00:28:19.000Z",
    "dateReserved": "2021-09-17T00:00:00.000Z",
    "dateUpdated": "2024-08-04T03:08:32.217Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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