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cve[email protected]CVE-2022-2406
HistoryJul 14, 2022 - 6:15 p.m.

CVE-2022-2406

2022-07-1418:15:08
CWE-400
CWE-770
web.nvd.nist.gov
2000
2
mattermost
slack
import feature
file size limitation
authenticated attacker
server crash
rest api
cve-2022-2406
nvd

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:N/I:N/A:P

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

6.3 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

36.2%

The legacy Slack import feature in Mattermost version 6.7.0 and earlier fails to properly limit the sizes of imported files, which allows an authenticated attacker to crash the server by importing large files via the Slack import REST API.

Affected configurations

NVD
Node
mattermostmattermostRange6.3.8
OR
mattermostmattermostRange6.4.06.5.1
OR
mattermostmattermostMatch6.6.0
OR
mattermostmattermostMatch6.6.1
OR
mattermostmattermostMatch6.7.0

CNA Affected

[
  {
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThanOrEqual": "6.3.8",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "6.4.x"
      },
      {
        "status": "affected",
        "version": "6.7.x 6.7.0"
      },
      {
        "lessThanOrEqual": "6.5.1",
        "status": "affected",
        "version": "6.5.x",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "6.6.1",
        "status": "affected",
        "version": "6.6.x",
        "versionType": "custom"
      }
    ]
  }
]

Social References

More

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:N/I:N/A:P

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

6.3 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

36.2%

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