CVE-2016-9462

Summary

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.

Affected Software

Weaknesses

• CWE-275: Permission Issues (CWE-275)

ADP Enrichment

CVE Program Container

Additional References

• https://github.com/nextcloud/server/commit/1208953ba1d4d55a18a639846bbcdd66a2d5bc5e
• https://github.com/owncloud/core/commit/c93eca49c32428ece03dd67042772d5fa62c8d6e
• https://owncloud.org/security/advisory/?id=oc-sa-2016-015
• https://github.com/owncloud/core/commit/3b056fa68ce502ceb0db9b446dab3b9e7b10dd13
• https://github.com/owncloud/core/commit/d31720b6f1e8c8dfeb5e8805ab35ad7c8000b2f1
• http://www.securityfocus.com/bid/97285
• https://hackerone.com/reports/146067
• https://github.com/owncloud/core/commit/23383080731d092e079986464a8c4c9ffcb79f4c
• https://nextcloud.com/security/advisory/?id=nc-sa-2016-005

References

• https://github.com/nextcloud/server/commit/1208953ba1d4d55a18a639846bbcdd66a2d5bc5e
• https://github.com/owncloud/core/commit/c93eca49c32428ece03dd67042772d5fa62c8d6e
• https://owncloud.org/security/advisory/?id=oc-sa-2016-015
• https://github.com/owncloud/core/commit/3b056fa68ce502ceb0db9b446dab3b9e7b10dd13
• https://github.com/owncloud/core/commit/d31720b6f1e8c8dfeb5e8805ab35ad7c8000b2f1
• http://www.securityfocus.com/bid/97285
• https://hackerone.com/reports/146067
• https://github.com/owncloud/core/commit/23383080731d092e079986464a8c4c9ffcb79f4c
• https://nextcloud.com/security/advisory/?id=nc-sa-2016-005

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