github - ghsa-jj5p-vxx9-rvj7

GHSA-JJ5P-VXX9-RVJ7

Vulnerability from github – Published: 2022-05-24 17:16 – Updated: 2022-05-24 17:16

Details

When reading from areas partially or fully outside the source resource with WebGL's copyTexSubImage method, the specification requires the returned values be zero. Previously, this memory was uninitialized, leading to potentially sensitive data disclosure. This vulnerability affects Thunderbird < 68.7.0, Firefox ESR < 68.7, and Firefox < 75.

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{
  "affected": [],
  "aliases": [
    "CVE-2020-6821"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-04-24T16:15:00Z",
    "severity": "MODERATE"
  },
  "details": "When reading from areas partially or fully outside the source resource with WebGL\u0027s \u003ccode\u003ecopyTexSubImage\u003c/code\u003e method, the specification requires the returned values be zero. Previously, this memory was uninitialized, leading to potentially sensitive data disclosure. This vulnerability affects Thunderbird \u003c 68.7.0, Firefox ESR \u003c 68.7, and Firefox \u003c 75.",
  "id": "GHSA-jj5p-vxx9-rvj7",
  "modified": "2022-05-24T17:16:28Z",
  "published": "2022-05-24T17:16:28Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-6821"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1625404"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/4335-1"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2020-12"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2020-13"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2020-14"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2020-6821 (GCVE-0-2020-6821)

Vulnerability from cvelistv5 – Published: 2020-04-24 15:55 – Updated: 2024-08-04 09:11

Summary

When reading from areas partially or fully outside the source resource with WebGL's <code>copyTexSubImage</code> method, the specification requires the returned values be zero. Previously, this memory was uninitialized, leading to potentially sensitive data disclosure. This vulnerability affects Thunderbird < 68.7.0, Firefox ESR < 68.7, and Firefox < 75.

Severity ?

No CVSS data available.

CWE

Uninitialized memory could be read when using the WebGL copyTexSubImage method

Assigner

mozilla

References

URL

Tags

	https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_MISC
	https://bugzilla.mozilla.org/show_bug.cgi?id=1625404	x_refsource_MISC
	https://usn.ubuntu.com/4335-1/	vendor-advisoryx_refsource_UBUNTU

Impacted products

Vendor

Product

Version

Mozilla

Thunderbird

Affected: unspecified , < 68.7.0 (custom)

	Mozilla	Firefox ESR	Affected: unspecified , < 68.7 (custom)
	Mozilla	Firefox	Affected: unspecified , < 75 (custom)

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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-JJ5P-VXX9-RVJ7

CVE-2020-6821 (GCVE-0-2020-6821)

Tags

Sightings

Nomenclature