CVE-2023-5543 Moodle: duplicating a bigbluebutton activity assigns the same meeting id

2023-11-0921:35:38

CWE-284

fedora

www.cve.org

moodle

bigbluebutton

duplicate

meeting id

unintended access

3.3 Low

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

6.7 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

15.7%

JSON

When duplicating a BigBlueButton activity, the original meeting ID was also duplicated instead of using a new ID for the new activity. This could provide unintended access to the original meeting.

CNA Affected

[
  {
    "versions": [
      {
        "status": "affected",
        "version": "4.2.0",
        "lessThan": "4.2.3",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "4.1.0",
        "lessThan": "4.1.6",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "4.0.0",
        "lessThan": "4.0.11",
        "versionType": "semver"
      }
    ],
    "packageName": "moodle",
    "collectionURL": "https://git.moodle.org",
    "defaultStatus": "unaffected"
  }
]