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MattermostVULNRICHMENT:CVE-2024-47003

HistorySep 26, 2024 - 8:05 a.m.

CVE-2024-47003 DoS via non-string message using permalink embed

2024-09-2608:05:16

CWE-400

Mattermost

github.com

mattermost

9.11.x

9.5.x

dos

vulnerability

permalink

frontend

validation

CVSS3

3.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

AI Score

6.8

Confidence

High

EPSS

Percentile

14.1%

SSVC

Exploitation

none

Automatable

Technical Impact

partial

JSON

Mattermost versions 9.11.x <= 9.11.0 and 9.5.x <= 9.5.8 fail to validate that the message of the permalink post is a string, which allows an attacker to send a non-string value as the message of a permalink post and crash the frontend.

References

mattermost.com/security-updates

CVSS3

3.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

AI Score

6.8

Confidence

High

EPSS

Percentile

14.1%

SSVC

Exploitation

none

Automatable

Technical Impact

partial

JSON

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