Vulnerability-Lookup

GHSA-CHW7-Q7HH-9VC2

Vulnerability from github – Published: 2022-05-24 17:46 – Updated: 2022-07-11 00:00

Details

Union Pay up to 1.2.0, for web based versions contains a CWE-347: Improper Verification of Cryptographic Signature vulnerability, allows attackers to shop for free in merchants' websites and mobile apps, via a crafted authentication code (MAC) which is generated based on a secret key which is NULL.

Severity

7.5 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2020-23533"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-347"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-04-06T16:15:00Z",
    "severity": "HIGH"
  },
  "details": "Union Pay up to 1.2.0, for web based versions contains a CWE-347: Improper Verification of Cryptographic Signature vulnerability, allows attackers to shop for free in merchants\u0027 websites and mobile apps, via a crafted authentication code (MAC) which is generated based on a secret key which is NULL.",
  "id": "GHSA-chw7-q7hh-9vc2",
  "modified": "2022-07-11T00:00:18Z",
  "published": "2022-05-24T17:46:35Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-23533"
    },
    {
      "type": "WEB",
      "url": "https://cwe.mitre.org/data/definitions/347.html"
    },
    {
      "type": "WEB",
      "url": "https://www.dropbox.com/s/6smwnbrp0kgsgrc/poc_code.py?dl=0"
    },
    {
      "type": "WEB",
      "url": "https://www.dropbox.com/s/czbkdr73tclq2nr/UnionPay_Vulnerability_Report.txt?dl=0"
    },
    {
      "type": "WEB",
      "url": "http://mobitec.ie.cuhk.edu.hk/cve_2020"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2020-23533 (GCVE-0-2020-23533)

Vulnerability from cvelistv5 – Published: 2021-04-06 15:34 – Updated: 2024-08-04 14:58

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2339 records in the last 180 days details

References

4 references

URL	Tags
https://www.dropbox.com/s/6smwnbrp0kgsgrc/poc_cod…	x_refsource_MISC
https://www.dropbox.com/s/czbkdr73tclq2nr/UnionPa…	x_refsource_MISC
http://mobitec.ie.cuhk.edu.hk/cve_2020/	x_refsource_MISC
https://cwe.mitre.org/data/definitions/347.html	x_refsource_MISC

Date Public

2021-04-03 00:00

Show details on NVD website

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T14:58:15.204Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.dropbox.com/s/6smwnbrp0kgsgrc/poc_code.py?dl=0"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.dropbox.com/s/czbkdr73tclq2nr/UnionPay_Vulnerability_Report.txt?dl=0"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://mobitec.ie.cuhk.edu.hk/cve_2020/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://cwe.mitre.org/data/definitions/347.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "versions": [
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          "lang": "en",
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        }
      ],
      "problemTypes": [
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              "description": "n/a",
              "lang": "en",
              "type": "text"
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      ],
      "providerMetadata": {
        "dateUpdated": "2022-07-10T20:19:28.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
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          "url": "https://www.dropbox.com/s/6smwnbrp0kgsgrc/poc_code.py?dl=0"
        },
        {
          "tags": [
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          "url": "https://www.dropbox.com/s/czbkdr73tclq2nr/UnionPay_Vulnerability_Report.txt?dl=0"
        },
        {
          "tags": [
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          ],
          "url": "http://mobitec.ie.cuhk.edu.hk/cve_2020/"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://cwe.mitre.org/data/definitions/347.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-23533",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
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                      "version": {
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                          {
                            "version_value": "n/a"
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        "problemtype": {
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        "references": {
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              "url": "https://www.dropbox.com/s/6smwnbrp0kgsgrc/poc_code.py?dl=0"
            },
            {
              "name": "https://www.dropbox.com/s/czbkdr73tclq2nr/UnionPay_Vulnerability_Report.txt?dl=0",
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            },
            {
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            },
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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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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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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