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nextcloudNextcloudGHSA-GVVR-H36P-8MJX
HistorySep 06, 2021 - 8:37 a.m.

Lack of ratelimit on Richdocuments OCS endpoint

2021-09-0608:37:29
github.com
27

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

36.7%

Description

Impact

There was a lack of ratelimiting on the Richdocuments OCS endpoint. This may have allowed an attacker to enumerate potentially valid share tokens.

Patches

It is recommended that the Nextcloud Richdocuments app is upgraded to TODO.

Workarounds

Disable the Richdocuments application.

References

For more information

If you have any questions or comments about this advisory:

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

36.7%

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