github - ghsa-r4fj-mm48-prvv

ghsa-r4fj-mm48-prvv

Vulnerability from github

Published

2023-10-23 15:30

Modified

2024-04-04 08:52

Severity ?

4.4 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H

Details

Zscaler Client Connector Installer on Windows before version 3.4.0.124 improperly handled directory junctions during uninstallation. A local adversary may be able to delete folders in an elevated context.

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2021-26734"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-269"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-10-23T14:15:08Z",
    "severity": "MODERATE"
  },
  "details": "Zscaler Client Connector Installer on Windows before version 3.4.0.124 improperly handled directory junctions during uninstallation. A local adversary may be able to delete folders in an elevated context.\n\n\n\n\n\n",
  "id": "GHSA-r4fj-mm48-prvv",
  "modified": "2024-04-04T08:52:55Z",
  "published": "2023-10-23T15:30:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-26734"
    },
    {
      "type": "WEB",
      "url": "https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2021"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

cve-2021-26734

Vulnerability from cvelistv5

Published

2023-10-23 13:18

Modified

2024-09-17 13:46

Severity ?

4.4 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H

Summary

References

▼	URL	Tags
	https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2021

Impacted products

	Vendor	Product	Version
	Zscaler	Client Connector	Version: 0 < 3.4.0.124

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T20:33:40.861Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2021"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-26734",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-11T20:17:30.565473Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-17T13:46:22.720Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Client Connector",
          "vendor": "Zscaler",
          "versions": [
            {
              "lessThan": "3.4.0.124",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "user": "00000000-0000-4000-9000-000000000000",
          "value": "Benjamin Dubost, LMCO"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Zscaler Client Connector Installer on Windows before version 3.4.0.124 improperly handled directory junctions during uninstallation. A local adversary may be able to delete folders in an elevated context.\u003cbr\u003e\n\n\u003cbr\u003e\n\n"
            }
          ],
          "value": "Zscaler Client Connector Installer on Windows before version 3.4.0.124 improperly handled directory junctions during uninstallation. A local adversary may be able to delete folders in an elevated context.\n\n\n\n\n\n"
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-233",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-233 Privilege Escalation"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 4.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-269",
              "description": "CWE-269 Improper Privilege Management",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-10-23T13:18:36.569Z",
        "orgId": "73c6f63b-efac-410d-a0a9-569700f85a04",
        "shortName": "Zscaler"
      },
      "references": [
        {
          "url": "https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2021"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Junction Delete leading to elevation of privilege",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "73c6f63b-efac-410d-a0a9-569700f85a04",
    "assignerShortName": "Zscaler",
    "cveId": "CVE-2021-26734",
    "datePublished": "2023-10-23T13:18:36.569Z",
    "dateReserved": "2021-02-05T20:34:27.823Z",
    "dateUpdated": "2024-09-17T13:46:22.720Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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