Vulnerability-Lookup

GHSA-QJ56-QX26-7QR8

Vulnerability from github – Published: 2022-05-24 17:44 – Updated: 2022-05-24 17:44

Details

Zoom through 5.5.4 sometimes allows attackers to read private information on a participant's screen, even though the participant never attempted to share the private part of their screen. When a user shares a specific application window via the Share Screen functionality, other meeting participants can briefly see contents of other application windows that were explicitly not shared. The contents of these other windows can (for instance) be seen for a short period of time when they overlay the shared window and get into focus. (An attacker can, of course, use a separate screen-recorder application, unsupported by Zoom, to save all such contents for later replays and analysis.) Depending on the unintentionally shared data, this short exposure of screen contents may be a more or less severe security issue.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-28133"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-200"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-03-18T14:15:00Z",
    "severity": "MODERATE"
  },
  "details": "Zoom through 5.5.4 sometimes allows attackers to read private information on a participant\u0027s screen, even though the participant never attempted to share the private part of their screen. When a user shares a specific application window via the Share Screen functionality, other meeting participants can briefly see contents of other application windows that were explicitly not shared. The contents of these other windows can (for instance) be seen for a short period of time when they overlay the shared window and get into focus. (An attacker can, of course, use a separate screen-recorder application, unsupported by Zoom, to save all such contents for later replays and analysis.) Depending on the unintentionally shared data, this short exposure of screen contents may be a more or less severe security issue.",
  "id": "GHSA-qj56-qx26-7qr8",
  "modified": "2022-05-24T17:44:52Z",
  "published": "2022-05-24T17:44:52Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-28133"
    },
    {
      "type": "WEB",
      "url": "https://thehackernews.com/2021/03/new-zoom-screen-sharing-bug-lets-other.html"
    },
    {
      "type": "WEB",
      "url": "https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2020-044.txt"
    },
    {
      "type": "WEB",
      "url": "https://www.syss.de/pentest-blog/syss-2020-044-sicherheitsproblem-in-screen-sharing-funktionalitaet-von-zoom-cve-2021-28133"
    },
    {
      "type": "WEB",
      "url": "https://www.youtube.com/watch?v=SonmmgQlLzg"
    },
    {
      "type": "WEB",
      "url": "https://zoom.us/trust/security/security-bulletin"
    },
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/161897/Zoom-5.4.3-54779.1115-5.5.4-13142.0301-Information-Disclosure.html"
    },
    {
      "type": "WEB",
      "url": "http://seclists.org/fulldisclosure/2021/Mar/48"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2021-28133 (GCVE-0-2021-28133)

Vulnerability from cvelistv5 – Published: 2021-03-18 13:59 – Updated: 2024-08-03 21:33

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre

References

7 references

URL	Tags
https://www.syss.de/fileadmin/dokumente/Publikati…	x_refsource_MISC
https://zoom.us/trust/security/security-bulletin	x_refsource_MISC
https://www.youtube.com/watch?v=SonmmgQlLzg	x_refsource_MISC
https://www.syss.de/pentest-blog/syss-2020-044-si…	x_refsource_MISC
http://seclists.org/fulldisclosure/2021/Mar/48	mailing-listx_refsource_FULLDISC
https://thehackernews.com/2021/03/new-zoom-screen…	x_refsource_MISC
http://packetstormsecurity.com/files/161897/Zoom-…	x_refsource_MISC

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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.

Action not permitted

GHSA-QJ56-QX26-7QR8

CVE-2021-28133 (GCVE-0-2021-28133)

Tags

Sightings

Nomenclature