CVE-2024-4182

2024-04-2608:25:37

CWE-754

Mattermost

www.cve.org

mattermost

json parsing

vulnerability

web clients

4.3 Medium

CVSS3

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

4.7 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.1%

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"
      }
    ]
  }
]