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CVE-2016-9487

7.8 · HIGH

EpubCheck 4.0.1 does not properly restrict resolving external entities when parsing XML in EPUB files during validation.

Published Jul 13, 2018CWE-611EPSS 1.26%

Overview

CVE-2016-9487 is a high-severity vulnerability. It was published on July 13, 2018 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

EpubCheck 4.0.1 does not properly restrict resolving external entities when parsing XML in EPUB files during validation. An attacker who supplies a specially crafted EPUB file may be able to exploit this behavior to read arbitrary files, or have the victim execute arbitrary requests on his behalf, abusing the victim's trust relationship with other entities.

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.kb.cert.org/vuls/id/779243Refwww.securityfocus.com/bid/94864/Refwww.kb.cert.org/vuls/id/779243Refwww.securityfocus.com/bid/94864/

How CyberStrike helps

Frequently asked questions

What is CVE-2016-9487?

CVE-2016-9487 is a high-severity vulnerability. It was published on July 13, 2018 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2016-9487?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2016-9487?

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-2016-9487?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-9487 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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