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GoogleOSV:CVE-2023-28357

HistoryMay 11, 2023 - 10:15 p.m.

CVE-2023-28357

2023-05-1122:15:09

Google

osv.dev

cve

acl checks

slash command

/mute

private channel members

authenticated users

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

6.8 Medium

AI Score

Confidence

Low

0.0005 Low

EPSS

Percentile

17.7%

JSON

A vulnerability has been identified in Rocket.Chat, where the ACL checks in the Slash Command /mute occur after checking whether a user is a member of a given channel, leaking private channel members to unauthorized users. This allows authenticated users to enumerate whether a username is a member of a channel that they do not have access to.

CPENameOperatorVersion
rocket.chateq3.9.1
rocket.chateq4.3.1
rocket.chateq3.16.0-rc.4
rocket.chateq0.60.0-rc.1
rocket.chateq0.70.4
rocket.chateq4.3.0-rc.1
rocket.chateq0.58.4
rocket.chateq3.6.1
rocket.chateq2.4.9
rocket.chateq0.59.0-rc.3

Name	Operator	Version
rocket.chat	eq	3.9.1
rocket.chat	eq	4.3.1
rocket.chat	eq	3.16.0-rc.4
rocket.chat	eq	0.60.0-rc.1
rocket.chat	eq	0.70.4
rocket.chat	eq	4.3.0-rc.1
rocket.chat	eq	0.58.4
rocket.chat	eq	3.6.1
rocket.chat	eq	2.4.9
rocket.chat	eq	0.59.0-rc.3

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References

hackerone.com/reports/1445810

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

6.8 Medium

AI Score

Confidence

Low

0.0005 Low

EPSS

Percentile

17.7%

JSON

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