CVE-2023-3593

2023-07-1716:15:11

CWE-400

[email protected]

web.nvd.nist.gov

cve-2023-3593

mattermost

markdown validation

server crash

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

21.1%

JSON

Mattermost fails to properly validate markdown, allowing an attacker to crash the server via a specially crafted markdown input.

Affected configurations

NVD

Node

mattermostmattermost_serverRange7.8.0–7.8.7

mattermostmattermost_serverRange7.9.0–7.9.5

mattermostmattermost_serverRange7.10.0–7.10.3

CPENameOperatorVersion
mattermost:mattermost_servermattermost mattermost serverlt7.8.7
mattermost:mattermost_servermattermost mattermost serverlt7.9.5
mattermost:mattermost_servermattermost mattermost serverlt7.10.3

CPE	Name	Operator	Version
mattermost:mattermost_server	mattermost mattermost server	lt	7.8.7
mattermost:mattermost_server	mattermost mattermost server	lt	7.9.5
mattermost:mattermost_server	mattermost mattermost server	lt	7.10.3

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThanOrEqual": "7.8.6",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "7.9.4",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "7.10.2",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "7.8.7"
      },
      {
        "status": "unaffected",
        "version": "7.9.5"
      },
      {
        "status": "unaffected",
        "version": "7.10.3"
      }
    ]
  }
]