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OwnCloudOWNCLOUD:CVE-2021-35949

HistoryAug 02, 2021 - 12:00 a.m.

Shareinfo url doesn't verify file drop permissions - ownCloud

2021-08-0200:00:00

owncloud.com

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

36.4%

JSON

The permission check for a file drop (upload only share) could be circumvented by using the shareinfo API. This allowed to see from the files in the filedrop but didn’t allow downloads.

Affected configurations

Vulners

Node

owncloudowncloudRange<10.8.0

CPENameOperatorVersion
corelt10.8.0

CPE	Name	Operator	Version
	core	lt	10.8.0

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

36.4%

JSON

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