Vulnerability-Lookup

GHSA-GVQV-779R-4JGP

Vulnerability from github – Published: 2020-11-27 20:13 – Updated: 2020-11-27 20:06

Summary

Use after free in CefSharp

Details

CVE-2020-16017: Use after free in site isolation

https://chromereleases.googleblog.com/2020/11/stable-channel-update-for-desktop_11.html
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16017

Google is aware of reports that exploits for CVE-2020-16013 and CVE-2020-16017 exist in the wild.

There is currently little to no public information on the issue other than it has been flagged as High severity.

Show details on source website

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{
  "affected": [
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "CefSharp.Common"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "86.0.241"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "CefSharp.Wpf"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "86.0.241"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "CefSharp.WinForms"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "86.0.241"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "CefSharp.Wpf.HwndHost"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "86.0.241"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2020-16017"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2020-11-27T20:06:27Z",
    "nvd_published_at": "2021-01-08T19:15:00Z",
    "severity": "HIGH"
  },
  "details": "CVE-2020-16017: Use after free in site isolation\n\n- https://chromereleases.googleblog.com/2020/11/stable-channel-update-for-desktop_11.html\n- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16017\n\nGoogle is aware of reports that exploits for CVE-2020-16013 and CVE-2020-16017 exist in the wild.\n\nThere is currently little to no public information on the issue other than it has been flagged as `High` severity.",
  "id": "GHSA-gvqv-779r-4jgp",
  "modified": "2020-11-27T20:06:27Z",
  "published": "2020-11-27T20:13:05Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/cefsharp/CefSharp/security/advisories/GHSA-gvqv-779r-4jgp"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-16017"
    },
    {
      "type": "WEB",
      "url": "https://chromereleases.googleblog.com/2020/11/stable-channel-update-for-desktop_11.html"
    },
    {
      "type": "WEB",
      "url": "https://crbug.com/1146709"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [],
  "summary": "Use after free in CefSharp"
}

CVE-2020-16017 (GCVE-0-2020-16017)

Vulnerability from cvelistv5 – Published: 2021-01-08 17:50 – Updated: 2025-10-21 23:35

Summary

Use after free in site isolation in Google Chrome prior to 86.0.4240.198 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Severity

9.6 (Critical)


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

SSVC

Exploitation: active Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-02-03 14:19 UTC

CWE

Use after free
CWE-416 - Use After Free

Assigner

Chrome Google root

References

3 references

URL	Tags
https://chromereleases.googleblog.com/2020/11/sta…	x_refsource_MISC
https://crbug.com/1146709	x_refsource_MISC
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource

Impacted products

1 product

Vendor	Product	Version
Google	Chrome	Affected: unspecified , < 86.0.4240.198 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T13:30:23.615Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        },
        "references": [
          {
            "tags": [
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              "x_transferred"
            ],
            "url": "https://chromereleases.googleblog.com/2020/11/stable-channel-update-for-desktop_11.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://crbug.com/1146709"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 9.6,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
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              "scope": "CHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2020-16017",
                "options": [
                  {
                    "Exploitation": "active"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-02-03T14:19:29.342779Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          },
          {
            "other": {
              "content": {
                "dateAdded": "2021-11-03",
                "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-16017"
              },
              "type": "kev"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-416",
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                "lang": "en",
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        "providerMetadata": {
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        },
        "references": [
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            "tags": [
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            ],
            "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-16017"
          }
        ],
        "timeline": [
          {
            "lang": "en",
            "time": "2021-11-03T00:00:00.000Z",
            "value": "CVE-2020-16017 added to CISA KEV"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Chrome",
          "vendor": "Google",
          "versions": [
            {
              "lessThan": "86.0.4240.198",
              "status": "affected",
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        },
        {
          "tags": [
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          ],
          "url": "https://crbug.com/1146709"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "chrome-cve-admin@google.com",
          "ID": "CVE-2020-16017",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Chrome",
                      "version": {
                        "version_data": [
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            },
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              "url": "https://crbug.com/1146709"
            }
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  "cveMetadata": {
    "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
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    "datePublished": "2021-01-08T17:50:08.000Z",
    "dateReserved": "2020-07-27T00:00:00.000Z",
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    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

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.