CVE-2024-36492 Existing local user overwritten by malicious remote

2024-08-0114:05:01

CWE-284

Mattermost

www.cve.org

cve-2024-36492

existing local user

malicious remote

mattermost

shared channels

syncing users

CVSS3

7.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

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

EPSS

Percentile

14.1%

JSON

Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5, 9.8.x <= 9.8.1 fail to disallow the modification of local users when syncing users in shared channels. which allows a malicious remote to overwrite an existing local user.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "status": "affected",
        "version": "9.9.0"
      },
      {
        "lessThanOrEqual": "9.5.6",
        "status": "affected",
        "version": "9.5.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "9.7.5",
        "status": "affected",
        "version": "9.7.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "9.8.1",
        "status": "affected",
        "version": "9.8.0",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "9.10.0"
      },
      {
        "status": "unaffected",
        "version": "9.9.1"
      },
      {
        "status": "unaffected",
        "version": "9.5.7"
      },
      {
        "status": "unaffected",
        "version": "9.7.6"
      },
      {
        "status": "unaffected",
        "version": "9.8.2"
      }
    ]
  }
]