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CVE-2015-1328

7.8 · HIGH

The overlayfs implementation in the linux (aka Linux kernel) package before 3.19.0-21.21 in Ubuntu through 15.04 does not properly check permissions for file creation in the upper filesystem direct…

Published Nov 28, 2016CWE-264EPSS 37.68%

Overview

CVE-2015-1328 is a high-severity vulnerability. It was published on November 28, 2016 and has a CVSS 3.0 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

The overlayfs implementation in the linux (aka Linux kernel) package before 3.19.0-21.21 in Ubuntu through 15.04 does not properly check permissions for file creation in the upper filesystem directory, which allows local users to obtain root access by leveraging a configuration in which overlayfs is permitted in an arbitrary mount namespace.

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

Refseclists.org/oss-sec/2015/q2/717Refwww.exploit-db.com/exploits/40688/Refwww.securityfocus.com/bid/75206Refpeople.canonical.com/~ubuntu-security/cve/2015/CVE-2015-1328.htmlRefsecurity-tracker.debian.org/tracker/CVE-2015-1328Refwww.exploit-db.com/exploits/37292/Refseclists.org/oss-sec/2015/q2/717Refwww.exploit-db.com/exploits/40688/Refwww.securityfocus.com/bid/75206Refpeople.canonical.com/~ubuntu-security/cve/2015/CVE-2015-1328.html

How CyberStrike helps

Frequently asked questions

What is CVE-2015-1328?

CVE-2015-1328 is a high-severity vulnerability. It was published on November 28, 2016 and has a CVSS 3.0 base score of 7.8 (HIGH).

How severe is CVE-2015-1328?

This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2015-1328?

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-2015-1328?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-1328 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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