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CVE-2016-9462

4.3 · MEDIUM

Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are not properly verifying restore privileges when restoring a file.

Published Mar 28, 2017CWE-275EPSS 1.87%

Overview

CVE-2016-9462 is a medium-severity vulnerability. It was published on March 28, 2017 and has a CVSS 3.0 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.securityfocus.com/bid/97285GitHubgithub.com/nextcloud/server/commit/1208953ba1d4d55a18a639846bbcdd66a2d5bc5eGitHubgithub.com/owncloud/core/commit/23383080731d092e079986464a8c4c9ffcb79f4cGitHubgithub.com/owncloud/core/commit/3b056fa68ce502ceb0db9b446dab3b9e7b10dd13GitHubgithub.com/owncloud/core/commit/c93eca49c32428ece03dd67042772d5fa62c8d6eGitHubgithub.com/owncloud/core/commit/d31720b6f1e8c8dfeb5e8805ab35ad7c8000b2f1Refhackerone.com/reports/146067Refnextcloud.com/security/advisory/?id=nc-sa-2016-005Refowncloud.org/security/advisory/?id=oc-sa-2016-015Refwww.securityfocus.com/bid/97285

How CyberStrike helps

Frequently asked questions

What is CVE-2016-9462?

CVE-2016-9462 is a medium-severity vulnerability. It was published on March 28, 2017 and has a CVSS 3.0 base score of 4.3 (MEDIUM).

How severe is CVE-2016-9462?

This vulnerability has a CVSS 3.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2016-9462?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2016-9462?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-9462 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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