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vulnrichmentMattermostVULNRICHMENT:CVE-2024-39830
HistoryJul 03, 2024 - 8:32 a.m.

CVE-2024-39830 Timing attack during remote cluster token comparison when shared channels are enabled

2024-07-0308:32:56
CWE-287
Mattermost
github.com
7
cve-2024-39830
timing attack
remote cluster
token comparison
shared channels
mattermost versions

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.9

Confidence

Low

EPSS

0.001

Percentile

37.4%

SSVC

Exploitation

none

Automatable

no

Technical Impact

total

Mattermost versions 9.8.x <= 9.8.0, 9.7.x <= 9.7.4, 9.6.x <= 9.6.2 and 9.5.x <= 9.5.5, when shared channels are enabled, fail to use constant time comparison for remote cluster tokens which allows an attacker to retrieve the remote cluster token via a timing attack during remote cluster token comparison.

ADP Affected

[
  {
    "cpes": [
      "cpe:2.3:a:mattermost:mattermost:9.8.0:*:*:*:*:*:*:*"
    ],
    "vendor": "mattermost",
    "product": "mattermost",
    "versions": [
      {
        "status": "affected",
        "version": "9.8.0"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "cpes": [
      "cpe:2.3:a:mattermost:mattermost:9.7.0:*:*:*:*:*:*:*"
    ],
    "vendor": "mattermost",
    "product": "mattermost",
    "versions": [
      {
        "status": "affected",
        "version": "9.7.0",
        "versionType": "custom",
        "lessThanOrEqual": "9.7.4"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "cpes": [
      "cpe:2.3:a:mattermost:mattermost:9.6.0:*:*:*:*:*:*:*"
    ],
    "vendor": "mattermost",
    "product": "mattermost",
    "versions": [
      {
        "status": "affected",
        "version": "9.6.0",
        "versionType": "custom",
        "lessThanOrEqual": "9.6.2"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "cpes": [
      "cpe:2.3:a:mattermost:mattermost:9.5.0:*:*:*:*:*:*:*"
    ],
    "vendor": "mattermost",
    "product": "mattermost",
    "versions": [
      {
        "status": "affected",
        "version": "9.5.0",
        "versionType": "custom",
        "lessThanOrEqual": "9.5.5"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.9

Confidence

Low

EPSS

0.001

Percentile

37.4%

SSVC

Exploitation

none

Automatable

no

Technical Impact

total

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