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osvGoogleOSV:GHSA-R67M-MF7V-QP7J
HistoryNov 06, 2023 - 6:30 p.m.

Mattermost password hash disclosure vulnerability

2023-11-0618:30:19
Google
osv.dev
10
mattermost
password hash
disclosure
vulnerability
user object
update

4.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5.2 Medium

AI Score

Confidence

High

0.0005 Low

EPSS

Percentile

18.1%

Mattermost fails to properly sanitize the user object when updating the username, resulting in the password hash being included in the response body.

4.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5.2 Medium

AI Score

Confidence

High

0.0005 Low

EPSS

Percentile

18.1%

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