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MattermostCVELIST:CVE-2023-3593

HistoryJul 17, 2023 - 3:38 p.m.

CVE-2023-3593 Server crash via a specially crafted markdown input

2023-07-1715:38:57

CWE-400

Mattermost

www.cve.org

mattermost

validation

vulnerability

server

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

EPSS

0.001

Percentile

32.0%

JSON

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

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"
      }
    ]
  }
]

References

mattermost.com/security-updates

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

EPSS

0.001

Percentile

32.0%

JSON

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