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githubGitHub Advisory DatabaseGHSA-XVQ6-H898-WCJ8
HistoryNov 06, 2023 - 6:30 p.m.

Mattermost denial of service vulnerability

2023-11-0618:30:19
CWE-754
GitHub Advisory Database
github.com
10
mattermost
denial of service
vulnerability
request validation
calls plugin
user agent header

4.3 Medium

CVSS3

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

7.1 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

13.3%

Mattermost fails to properly validate requests to the Calls plugin, allowing an attacker sending a request without a User Agent header to cause a panic and crash the Calls plugin

Affected configurations

Vulners
Node
github.com\/mattermost\/mattermostserverMatch9.0.0
OR
github.com\/mattermost\/mattermostserverRange<8.1.3
OR
github.com\/mattermost\/mattermostserverRange<8.0.4
OR
github.com\/mattermost\/mattermostserver\/v6Range<7.8.12

4.3 Medium

CVSS3

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

7.1 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

13.3%

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