CVE-2024-4182

2024-04-2609:15:12

CWE-754

Mattermost

web.nvd.nist.gov

mattermost

json parsing

vulnerability

authenticated attacker

web clients

crash

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

AI Score

6.4

Confidence

Low

EPSS

Percentile

9.0%

JSON

Mattermost versions 9.6.0, 9.5.x before 9.5.3, 9.4.x before 9.4.5, and 8.1.x before 8.1.12 fail to handle JSON parsing errors in custom status values, which allows an authenticated attacker to crash other users’ web clients via a malformed custom status.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "status": "affected",
        "version": "9.6.0"
      },
      {
        "lessThanOrEqual": "9.5.2",
        "status": "affected",
        "version": "9.5.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "9.4.4",
        "status": "affected",
        "version": "9.4.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "8.1.11",
        "status": "affected",
        "version": "8.1.0",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "9.7.0"
      },
      {
        "status": "unaffected",
        "version": "9.6.1"
      },
      {
        "status": "unaffected",
        "version": "9.5.3"
      },
      {
        "status": "unaffected",
        "version": "9.4.5"
      },
      {
        "status": "unaffected",
        "version": "8.1.12"
      }
    ]
  }
]