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CVE-2015-4717

7.8 · HIGH

The filename sanitization component in ownCloud Server before 6.0.8, 7.0.x before 7.0.6, and 8.0.x before 8.0.4 does not properly handle $_GET parameters cast by PHP to an array, which allows remot…

Published Oct 21, 2015owncloudCWE-399EPSS 2.83%

Overview

CVE-2015-4717 is a high-severity vulnerability affecting owncloud owncloud. It was published on October 21, 2015 and has a CVSS 2.0 base score of 7.8 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The filename sanitization component in ownCloud Server before 6.0.8, 7.0.x before 7.0.6, and 8.0.x before 8.0.4 does not properly handle $_GET parameters cast by PHP to an array, which allows remote attackers to cause a denial of service (infinite loop and log file consumption) via crafted endpoint file names.

Remediation

Check the references section for vendor advisories and patches from owncloud. Update owncloud to the latest patched version. 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.

Affected products

VendorProductVersionsStatus
owncloudowncloud0Affected

References

Refwww.debian.org/security/2015/dsa-3373Refwww.securityfocus.com/bid/76161Refowncloud.org/security/advisory/?id=oc-sa-2015-007Refwww.debian.org/security/2015/dsa-3373Refwww.securityfocus.com/bid/76161Refowncloud.org/security/advisory/?id=oc-sa-2015-007

How CyberStrike helps

Frequently asked questions

What is CVE-2015-4717?

CVE-2015-4717 is a high-severity vulnerability affecting owncloud owncloud. It was published on October 21, 2015 and has a CVSS 2.0 base score of 7.8 (HIGH).

How severe is CVE-2015-4717?

This vulnerability has a CVSS 2.0 base score of 7.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2015-4717?

Check the references section for vendor advisories and patches from owncloud. Update owncloud to the latest patched version. 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-2015-4717?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-4717 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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