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CVE-2015-5663

7.4 · HIGH

The file-execution functionality in WinRAR before 5.30 beta 5 allows local users to gain privileges via a Trojan horse file with a name similar to an extensionless filename that was selected by the…

Published Dec 30, 2015rarlabCWE-264EPSS 0.91%

Overview

CVE-2015-5663 is a high-severity vulnerability affecting rarlab winrar. It was published on December 30, 2015 and has a CVSS 3.0 base score of 7.4 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.4, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

The file-execution functionality in WinRAR before 5.30 beta 5 allows local users to gain privileges via a Trojan horse file with a name similar to an extensionless filename that was selected by the user.

Remediation

Check the references section for vendor advisories and patches from rarlab. Update winrar 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
rarlabwinrar0Affected

References

Refjvn.jp/en/jp/JVN64636058/index.htmlRefjvndb.jvn.jp/jvndb/JVNDB-2015-000199Refwww.securityfocus.com/bid/79666Refwww.securitytracker.com/id/1034881Refjvn.jp/en/jp/JVN64636058/index.htmlRefjvndb.jvn.jp/jvndb/JVNDB-2015-000199Refwww.securityfocus.com/bid/79666Refwww.securitytracker.com/id/1034881

How CyberStrike helps

Frequently asked questions

What is CVE-2015-5663?

CVE-2015-5663 is a high-severity vulnerability affecting rarlab winrar. It was published on December 30, 2015 and has a CVSS 3.0 base score of 7.4 (HIGH).

How severe is CVE-2015-5663?

This vulnerability has a CVSS 3.0 base score of 7.4, 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-2015-5663?

Check the references section for vendor advisories and patches from rarlab. Update winrar 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-2015-5663?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-5663 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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