github - ghsa-x5xq-hf4g-4cgq

ghsa-x5xq-hf4g-4cgq

Vulnerability from github

Published

2021-12-09 00:00

Modified

2021-12-11 00:01

Details

The 'Copy Image Link' context menu action would copy the final image URL after redirects. By embedding an image that triggered authentication flows - in conjunction with a Content Security Policy that stopped a redirection chain in the middle - the final image URL could be one that contained an authentication token used to takeover a user account. If a website tricked a user into copy and pasting the image link back to the page, the page would be able to steal the authentication tokens. This was fixed by making the action return the original URL, before any redirects. This vulnerability affects Firefox < 94.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-43532"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-601"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-12-08T22:15:00Z",
    "severity": "MODERATE"
  },
  "details": "The \u0027Copy Image Link\u0027 context menu action would copy the final image URL after redirects. By embedding an image that triggered authentication flows - in conjunction with a Content Security Policy that stopped a redirection chain in the middle - the final image URL could be one that contained an authentication token used to takeover a user account. If a website tricked a user into copy and pasting the image link back to the page, the page would be able to steal the authentication tokens. This was fixed by making the action return the original URL, before any redirects. This vulnerability affects Firefox \u003c 94.",
  "id": "GHSA-x5xq-hf4g-4cgq",
  "modified": "2021-12-11T00:01:01Z",
  "published": "2021-12-09T00:00:20Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-43532"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1719203"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2021-48"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

cve-2021-43532

Vulnerability from cvelistv5

Published

2021-12-08 21:20

Modified

2024-08-04 03:55

Severity ?

Summary

References

▼	URL	Tags
	https://www.mozilla.org/security/advisories/mfsa2021-48/	x_refsource_MISC
	https://bugzilla.mozilla.org/show_bug.cgi?id=1719203	x_refsource_MISC

Impacted products

Vendor

Product

Version

▼

Mozilla

Firefox

Version: unspecified < 94

Show details on NVD website

JSON

To clipboard

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    ],
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        }
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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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