CVE-2016-9462

Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are not properly verifying restore privileges when restoring a file. The restore capability of Nextcloud/ownCloud was not verifying whether a user has only read-only access to a share. Thus a user with read-only access was able to restore old versions.

CVSS v3.0 4.3 MEDIUM
CVSS v2.0 4.0 MEDIUM

4.3^/10

CVSS v3.0 : MEDIUM

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

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://owncloud.org/security/advisory/?id=oc-sa-2016-015	Patch Vendor Advisory
https://nextcloud.com/security/advisory/?id=nc-sa-2016-005	Patch Vendor Advisory
https://hackerone.com/reports/146067	Exploit Third Party Advisory
https://github.com/owncloud/core/commit/d31720b6f1e8c8dfeb5e8805ab35ad7c8000b2f1	Issue Tracking Patch Third Party Advisory
https://github.com/owncloud/core/commit/c93eca49c32428ece03dd67042772d5fa62c8d6e	Issue Tracking Patch Third Party Advisory
https://github.com/owncloud/core/commit/3b056fa68ce502ceb0db9b446dab3b9e7b10dd13	Issue Tracking Patch Third Party Advisory
https://github.com/owncloud/core/commit/23383080731d092e079986464a8c4c9ffcb79f4c	Issue Tracking Patch Third Party Advisory
https://github.com/nextcloud/server/commit/1208953ba1d4d55a18a639846bbcdd66a2d5bc5e	Issue Tracking Patch Third Party Advisory
http://www.securityfocus.com/bid/97285	Third Party Advisory VDB Entry

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:owncloud:owncloud::::::::
	cpe:2.3:a:nextcloud:nextcloud_server::::::::

Information

Published : 2017-03-27 19:59

Updated : 2019-10-09 16:20

NVD link : CVE-2016-9462

Mitre link : CVE-2016-9462

JSON object : View

CWE

CWE-284

Improper Access Control

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Products Affected

owncloud

owncloud

nextcloud

nextcloud_server

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