Vulnerability-Lookup

GHSA-6QF9-3C85-X94Q

Vulnerability from github – Published: 2022-07-16 00:00 – Updated: 2022-07-23 00:00

Details

This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 16.5.0 (49183). An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Parallels Service. By creating a symbolic link, an attacker can abuse the service to execute a file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root. Was ZDI-CAN-13932.

Severity

7.8 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2021-34986"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-367"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-07-15T19:15:00Z",
    "severity": "HIGH"
  },
  "details": "This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 16.5.0 (49183). An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Parallels Service. By creating a symbolic link, an attacker can abuse the service to execute a file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root. Was ZDI-CAN-13932.",
  "id": "GHSA-6qf9-3c85-x94q",
  "modified": "2022-07-23T00:00:23Z",
  "published": "2022-07-16T00:00:20Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-34986"
    },
    {
      "type": "WEB",
      "url": "https://kb.parallels.com/en/125013"
    },
    {
      "type": "WEB",
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-385"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2021-34986 (GCVE-0-2021-34986)

Vulnerability from cvelistv5 – Published: 2022-07-15 19:05 – Updated: 2024-08-04 00:26

Summary

Severity

7.8 (High)


                        
                          CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition

Assigner

zdi

References

2 references

URL	Tags
https://kb.parallels.com/en/125013	x_refsource_MISC
https://www.zerodayinitiative.com/advisories/ZDI-…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Parallels	Desktop	Affected: 16.5.0 (49183)

Credits

say2

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JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T00:26:55.736Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://kb.parallels.com/en/125013"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-385/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Desktop",
          "vendor": "Parallels",
          "versions": [
            {
              "status": "affected",
              "version": "16.5.0 (49183)"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "say2"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 16.5.0 (49183). An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Parallels Service. By creating a symbolic link, an attacker can abuse the service to execute a file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root. Was ZDI-CAN-13932."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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          }
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      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-367",
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      ],
      "providerMetadata": {
        "dateUpdated": "2022-07-15T19:05:14.000Z",
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          ],
          "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-385/"
        }
      ],
      "x_legacyV4Record": {
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          "ASSIGNER": "zdi-disclosures@trendmicro.com",
          "ID": "CVE-2021-34986",
          "STATE": "PUBLIC"
        },
        "affects": {
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                          {
                            "version_value": "16.5.0 (49183)"
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        },
        "credit": "say2",
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            }
          ]
        },
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                }
              ]
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          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://kb.parallels.com/en/125013",
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              "url": "https://kb.parallels.com/en/125013"
            },
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              "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-385/"
            }
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  "cveMetadata": {
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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.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-6QF9-3C85-X94Q

CVE-2021-34986 (GCVE-0-2021-34986)

Tags

Sightings

Nomenclature