CVE-2023-5968 Password hash in response body after username update

2023-11-0615:35:14

CWE-200

Mattermost

www.cve.org

cve-2023-5968

mattermost

username update

password hash

4.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5.5 Medium

AI Score

Confidence

High

0.0005 Low

EPSS

Percentile

18.1%

JSON

Mattermost fails to properly sanitize the user object when updating the username, resulting in the password hash being included in the response body.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThanOrEqual": "7.8.11",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "8.0.3",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "8.1.2",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "9.0.0",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "7.8.12"
      },
      {
        "status": "unaffected",
        "version": "8.0.4"
      },
      {
        "status": "unaffected",
        "version": "8.1.3"
      },
      {
        "status": "unaffected",
        "version": "9.0.1"
      }
    ]
  }
]