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CVE-2015-8857

9.8 · CRITICAL

The uglify-js package before 2.4.24 for Node.js does not properly account for non-boolean values when rewriting boolean expressions, which might allow attackers to bypass security mechanisms or pos…

Published Jan 23, 2017CWE-254EPSS 3.56%

Overview

CVE-2015-8857 is a critical-severity vulnerability. It was published on January 23, 2017 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The uglify-js package before 2.4.24 for Node.js does not properly account for non-boolean values when rewriting boolean expressions, which might allow attackers to bypass security mechanisms or possibly have unspecified other impact by leveraging improperly rewritten Javascript.

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.openwall.com/lists/oss-security/2016/04/20/11Refwww.securityfocus.com/bid/96410Refnodesecurity.io/advisories/39Refwww.openwall.com/lists/oss-security/2016/04/20/11Refwww.securityfocus.com/bid/96410Refnodesecurity.io/advisories/39

How CyberStrike helps

Frequently asked questions

What is CVE-2015-8857?

CVE-2015-8857 is a critical-severity vulnerability. It was published on January 23, 2017 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2015-8857?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2015-8857?

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-2015-8857?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-8857 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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