github - ghsa-hq9m-2fcc-v974

GHSA-HQ9M-2FCC-V974

Vulnerability from github – Published: 2022-05-13 01:47 – Updated: 2022-05-13 01:47

Details

The "instanceof" operator can bypass the Xray wrapper mechanism. When called on web content from the browser itself or an extension the web content can provide its own result for that operator, possibly tricking the browser or extension into mishandling the element. This vulnerability affects Firefox < 56.

Severity ?

5.3 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2017-7820"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-06-11T21:29:00Z",
    "severity": "MODERATE"
  },
  "details": "The \"instanceof\" operator can bypass the Xray wrapper mechanism. When called on web content from the browser itself or an extension the web content can provide its own result for that operator, possibly tricking the browser or extension into mishandling the element. This vulnerability affects Firefox \u003c 56.",
  "id": "GHSA-hq9m-2fcc-v974",
  "modified": "2022-05-13T01:47:11Z",
  "published": "2022-05-13T01:47:11Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-7820"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1378207"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2017-21"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/101057"
    },
    {
      "type": "WEB",
      "url": "http://www.securitytracker.com/id/1039465"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2017-7820 (GCVE-0-2017-7820)

Vulnerability from cvelistv5 – Published: 2018-06-11 21:00 – Updated: 2024-08-05 16:12

Summary

Severity ?

No CVSS data available.

CWE

Xray wrapper bypass with new tab and web console

Assigner

mozilla

References

URL

Tags

	http://www.securitytracker.com/id/1039465	vdb-entryx_refsource_SECTRACK
	https://bugzilla.mozilla.org/show_bug.cgi?id=1378207	x_refsource_CONFIRM
	https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_CONFIRM
	http://www.securityfocus.com/bid/101057	vdb-entryx_refsource_BID

Impacted products

	Vendor	Product	Version
	Mozilla	Firefox	Affected: unspecified , < 56 (custom)

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date

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-HQ9M-2FCC-V974

CVE-2017-7820 (GCVE-0-2017-7820)

Tags

Sightings

Nomenclature