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CVE-2018-11771

5.5 · MEDIUM

When reading a specially crafted ZIP archive, the read method of Apache Commons Compress 1.7 to 1.17's ZipArchiveInputStream can fail to return the correct EOF indication after the end of the strea…

Published Aug 16, 2018CWE-835EPSS 5.25%

Overview

CVE-2018-11771 is a medium-severity vulnerability. It was published on August 16, 2018 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

When reading a specially crafted ZIP archive, the read method of Apache Commons Compress 1.7 to 1.17's ZipArchiveInputStream can fail to return the correct EOF indication after the end of the stream has been reached. When combined with a java.io.InputStreamReader this can lead to an infinite stream, which can be used to mount a denial of service attack against services that use Compress' zip package.

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.securityfocus.com/bid/105139Refwww.securitytracker.com/id/1041503Reflists.apache.org/thread.html/0adb631517766e793e18a59723e2df08ced41eb9a57478f14781c9f7%40%3Cdev.tinkerpop.apache.org%3EReflists.apache.org/thread.html/3565494c263dfeb4dcb2a71cb24d09a1ca285cd6ac74edc025a3af8a%40%3Ccommits.tinkerpop.apache.org%3EReflists.apache.org/thread.html/35f60d6d0407c13c39411038ba1aca71d92595ed7041beff4d07f2ee%40%3Ccommits.tinkerpop.apache.org%3EReflists.apache.org/thread.html/6c79965066c30d4e330e04d911d3761db41b82c89ae38d9a6b37a6f1%40%3Cdev.tinkerpop.apache.org%3EReflists.apache.org/thread.html/714c6ac1b1b50f8557e7342903ef45f1538a7bc60a0b47d6e48c273d%40%3Ccommits.tinkerpop.apache.org%3EReflists.apache.org/thread.html/b8da751fc0ca949534cdf2744111da6bb0349d2798fac94b0a50f330%40%3Cannounce.apache.org%3EReflists.apache.org/thread.html/b8ef29df0f1d55aa741170748352ae8e425c7b1d286b2f257711a2dd%40%3Cdev.creadur.apache.org%3EReflists.apache.org/thread.html/b907e70bc422905d7962fd18f863f746bf7b4e7ed9da25c148580c61%40%3Cnotifications.commons.apache.org%3E

How CyberStrike helps

Frequently asked questions

What is CVE-2018-11771?

CVE-2018-11771 is a medium-severity vulnerability. It was published on August 16, 2018 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2018-11771?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. 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-2018-11771?

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-2018-11771?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-11771 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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