CVE-2023-5967 Denial of Service via crashing the Calls Plugin

2023-11-0615:24:24

CWE-754

Mattermost

www.cve.org

cve-2023-5967

denial of service

calls plugin

mattermost

user agent header

validation

panic

crash

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

4.9 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

13.3%

JSON

Mattermost fails to properly validate requests to the Calls plugin, allowing an attacker sending a request without a User Agent header to cause a panic and crash the Calls plugin

CNA Affected

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