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GoogleOSV:BIT-MASTODON-2024-23832

HistoryMar 06, 2024 - 10:55 a.m.

BIT-mastodon-2024-23832

2024-03-0610:55:37

Google

osv.dev

mastodon

open-source

activitypub

ldap

authentication

origin validation

vulnerability

account takeover

software

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.5

Confidence

High

EPSS

0.001

Percentile

40.4%

JSON

Mastodon is a free, open-source social network server based on ActivityPub Mastodon allows configuration of LDAP for authentication. Due to insufficient origin validation in all Mastodon, attackers can impersonate and take over any remote account. Every Mastodon version prior to 3.5.17 is vulnerable, as well as 4.0.x versions prior to 4.0.13, 4.1.x version prior to 4.1.13, and 4.2.x versions prior to 4.2.5.

References

www.openwall.com/lists/oss-security/2024/02/02/4

github.com/mastodon/mastodon/commit/1726085db5cd73dd30953da858f9887bcc90b958

github.com/mastodon/mastodon/security/advisories/GHSA-3fjr-858r-92rw

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.5

Confidence

High

EPSS

0.001

Percentile

40.4%

JSON

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