CVE-2022-39212 Last video frame is still sent after video is disabled in a call in Nextcloud Talk

2022-09-1623:15:13

CWE-200

GitHub_M

www.cve.org

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

26.4%

JSON

Nextcloud Talk is an open source chat, video & audio calls client for the Nextcloud platform. In affected versions an attacker could see the last video frame of any participant who has video disabled but a camera selected. It is recommended that the Nextcloud Talk app is upgraded to 13.0.8 or 14.0.4. Users unable to upgrade should select “None” as camera before joining the call.

CNA Affected

[
  {
    "product": "security-advisories",
    "vendor": "nextcloud",
    "versions": [
      {
        "status": "affected",
        "version": "< 13.0.8"
      },
      {
        "status": "affected",
        "version": ">= 14.0.0, < 14.0.4"
      }
    ]
  }
]