github - ghsa-6g99-7xcp-vcw9

ghsa-6g99-7xcp-vcw9

Vulnerability from github

Published

2021-12-09 00:00

Modified

2022-03-17 00:06

Severity ?

10.0 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Details

The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2021-38503"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-863"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-12-08T22:15:00Z",
    "severity": "CRITICAL"
  },
  "details": "The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects Firefox \u003c 94, Thunderbird \u003c 91.3, and Firefox ESR \u003c 91.3.",
  "id": "GHSA-6g99-7xcp-vcw9",
  "modified": "2022-03-17T00:06:36Z",
  "published": "2021-12-09T00:00:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-38503"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1729517"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2021/12/msg00030.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/202202-03"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/202208-14"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2021/dsa-5026"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2022/dsa-5034"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2021-48"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2021-49"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2021-50"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

cve-2021-38503

Vulnerability from cvelistv5

Published

2021-12-08 21:22

Modified

2024-08-04 01:44

Severity ?

Summary

References

▼	URL	Tags
	https://www.mozilla.org/security/advisories/mfsa2021-49/	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2021-50/	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2021-48/	x_refsource_MISC
	https://bugzilla.mozilla.org/show_bug.cgi?id=1729517	x_refsource_MISC
	https://www.debian.org/security/2021/dsa-5026	vendor-advisory, x_refsource_DEBIAN
	https://lists.debian.org/debian-lts-announce/2021/12/msg00030.html	mailing-list, x_refsource_MLIST
	https://www.debian.org/security/2022/dsa-5034	vendor-advisory, x_refsource_DEBIAN
	https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html	mailing-list, x_refsource_MLIST
	https://security.gentoo.org/glsa/202202-03	vendor-advisory, x_refsource_GENTOO
	https://security.gentoo.org/glsa/202208-14	vendor-advisory, x_refsource_GENTOO

Impacted products

▼	Vendor	Product
	Mozilla	Firefox
	Mozilla	Thunderbird
	Mozilla	Firefox ESR

Show details on NVD website

JSON

To clipboard

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            "tags": [
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            "url": "https://lists.debian.org/debian-lts-announce/2021/12/msg00030.html"
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          {
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            "tags": [
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            ],
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          },
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              "mailing-list",
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              "x_transferred"
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            "url": "https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html"
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    ],
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          "versions": [
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            }
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          "versions": [
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        }
      ],
      "problemTypes": [
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        },
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          ],
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        },
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          "tags": [
            "mailing-list",
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          ],
          "url": "https://lists.debian.org/debian-lts-announce/2021/12/msg00030.html"
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          ],
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        },
        {
          "name": "[debian-lts-announce] 20220104 [SECURITY] [DLA 2874-1] thunderbird security update",
          "tags": [
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            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html"
        },
        {
          "name": "GLSA-202202-03",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/202202-03"
        },
        {
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          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/202208-14"
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      "x_legacyV4Record": {
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          "ID": "CVE-2021-38503",
          "STATE": "PUBLIC"
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    "cveId": "CVE-2021-38503",
    "datePublished": "2021-12-08T21:22:07",
    "dateReserved": "2021-08-10T00:00:00",
    "dateUpdated": "2024-08-04T01:44:23.381Z",
    "state": "PUBLISHED"
  },
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  "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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