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CVE-2017-8773

9.8 · CRITICAL

Quick Heal Internet Security 10.1.0.316, Quick Heal Total Security 10.1.0.316, and Quick Heal AntiVirus Pro 10.1.0.316 are vulnerable to Out of Bounds Write on a Heap Buffer due to improper validat…

Published May 4, 2017CWE-787EPSS 2.32%

Overview

CVE-2017-8773 is a critical-severity vulnerability. It was published on May 4, 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

Quick Heal Internet Security 10.1.0.316, Quick Heal Total Security 10.1.0.316, and Quick Heal AntiVirus Pro 10.1.0.316 are vulnerable to Out of Bounds Write on a Heap Buffer due to improper validation of dwCompressionSize of Microsoft WIM Header WIMHEADER_V1_PACKED. This vulnerability can be exploited to gain Remote Code Execution as well as Privilege Escalation.

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

Refpayatu.com/oob-write-heap-buffer-dwcompressionsize-ms-wim/Refpayatu.com/oob-write-heap-buffer-dwcompressionsize-ms-wim/

How CyberStrike helps

Frequently asked questions

What is CVE-2017-8773?

CVE-2017-8773 is a critical-severity vulnerability. It was published on May 4, 2017 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2017-8773?

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-2017-8773?

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-2017-8773?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-8773 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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