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CVE-2016-3861

7.8 · HIGH

LibUtils in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, 6.x before 2016-09-01, and 7.0 before 2016-09-01 mishandles conversions between Unicode character encodings with differ…

Published Sep 11, 2016CWE-119EPSS 8.29%

Overview

CVE-2016-3861 is a high-severity vulnerability. It was published on September 11, 2016 and has a CVSS 3.0 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

LibUtils in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, 6.x before 2016-09-01, and 7.0 before 2016-09-01 mishandles conversions between Unicode character encodings with different encoding widths, which allows remote attackers to execute arbitrary code or cause a denial of service (heap-based buffer overflow) via a crafted file, aka internal bug 29250543.

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

Refsource.android.com/security/bulletin/2016-09-01.htmlRefwww.securityfocus.com/bid/92811Refwww.securitytracker.com/id/1036763Refandroid.googlesource.com/platform/frameworks/av/+/3944c65637dfed14a5a895685edfa4bacaf9f76eRefandroid.googlesource.com/platform/frameworks/base/+/866dc26ad4a98cc835d075b627326e7d7e52ffa1Refandroid.googlesource.com/platform/frameworks/native/+/1f4b49e64adf4623eefda503bca61e253597b9bfRefandroid.googlesource.com/platform/system/core/+/ecf5fd58a8f50362ce9e8d4245a33d56f29f142bRefwww.exploit-db.com/exploits/40354/Refsource.android.com/security/bulletin/2016-09-01.htmlRefwww.securityfocus.com/bid/92811

How CyberStrike helps

Frequently asked questions

What is CVE-2016-3861?

CVE-2016-3861 is a high-severity vulnerability. It was published on September 11, 2016 and has a CVSS 3.0 base score of 7.8 (HIGH).

How severe is CVE-2016-3861?

This vulnerability has a CVSS 3.0 base score of 7.8, 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-2016-3861?

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-2016-3861?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-3861 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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