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NextcloudGHSA-7RF8-PQMJ-RPQV

HistoryOct 16, 2023 - 7:20 a.m.

Password of talk conversations can be bruteforced

2023-10-1607:20:11

github.com

brute force

nextcloud talk

upgrade

endpoint validation

hackerone

pullrequest

security advisory.

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

0.001 Low

EPSS

Percentile

21.4%

JSON

Description

Impact

Brute force protection of public talk conversation passwords can be bypassed, as there was an endpoint validating the conversation password without registering bruteforce attempts

Patches

It is recommended that the Nextcloud Talk app is upgraded to 15.0.8, 16.0.6 or 17.1.1

Workarounds

No workaround available

References

For more information

If you have any questions or comments about this advisory:

Create a post in nextcloud/security-advisories
Customers: Open a support ticket at portal.nextcloud.com

CPENameOperatorVersion
talklt15.0.0
talklt16.0.0
talklt17.0.0

Name	Operator	Version
talk	lt	15.0.0
talk	lt	16.0.0
talk	lt	17.0.0

References

github.com/nextcloud/spreed/pull/10545

hackerone.com/reports/2094473

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

0.001 Low

EPSS

Percentile

21.4%

JSON

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