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CVE-2016-5349

5.5 · MEDIUM

The high level operating systems (HLOS) was not providing sufficient memory address information to ensure that secure applications inside Qualcomm Secure Execution Environment (QSEE) only write to…

Published Apr 6, 2017CWE-200EPSS 1.00%

Overview

CVE-2016-5349 is a medium-severity vulnerability. It was published on April 6, 2017 and has a CVSS 3.0 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.0 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

The high level operating systems (HLOS) was not providing sufficient memory address information to ensure that secure applications inside Qualcomm Secure Execution Environment (QSEE) only write to legitimate memory ranges related to the QSEE secure application's HLOS client. When secure applications inside Qualcomm Secure Execution Environment (QSEE) receive memory addresses from a high level operating system (HLOS) such as Linux Android, those address have previously been verified as belonging to HLOS memory space rather than QSEE memory space, but they were not verified to be from HLOS user space rather than kernel space. This lack of verification could lead to privilege escalation within the HLOS.

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/97364Refwww.securitytracker.com/id/1038201Refsource.android.com/security/bulletin/2017-04-01Refwww.codeaurora.org/insufficient-memory-address-information-prevent-arbitrary-memory-access-qsee-secure-applications-cveRefwww.qualcomm.com/company/product-security/security-advisoriesRefwww.securityfocus.com/bid/97364Refwww.securitytracker.com/id/1038201Refsource.android.com/security/bulletin/2017-04-01Refwww.codeaurora.org/insufficient-memory-address-information-prevent-arbitrary-memory-access-qsee-secure-applications-cveRefwww.qualcomm.com/company/product-security/security-advisories

How CyberStrike helps

Frequently asked questions

What is CVE-2016-5349?

CVE-2016-5349 is a medium-severity vulnerability. It was published on April 6, 2017 and has a CVSS 3.0 base score of 5.5 (MEDIUM).

How severe is CVE-2016-5349?

This vulnerability has a CVSS 3.0 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-2016-5349?

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-2016-5349?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-5349 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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