Medium severity · published Mar 28, 2017
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
4.3
CVSS
1.9%
EPSS
No
On KEV
Description
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 vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.9% · higher than 79% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NS
Nextcloud Server · Nextcloud
before 9.0.52 · source: NVD
OW
Owncloud · Owncloud
before 9.0.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-9462
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-9462
Third Party Advisory
http://www.securityfocus.com/bid/97285
Issue Tracking
https://github.com/nextcloud/server/commit/1208953ba1d4d55a18a639846bbcdd66a2d5bc5e
Issue Tracking
https://github.com/owncloud/core/commit/23383080731d092e079986464a8c4c9ffcb79f4c
Issue Tracking
https://github.com/owncloud/core/commit/3b056fa68ce502ceb0db9b446dab3b9e7b10dd13
Issue Tracking
https://github.com/owncloud/core/commit/c93eca49c32428ece03dd67042772d5fa62c8d6e
Issue Tracking
https://github.com/owncloud/core/commit/d31720b6f1e8c8dfeb5e8805ab35ad7c8000b2f1
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