Google Android 4.4.3/5.0.1/5.1.0 Bluetooth memory corruption

Summaryinfo

A vulnerability classified as critical has been found in Google Android 4.4.3/5.0.1/5.1.0. This impacts an unknown function of the component Bluetooth. Performing a manipulation results in memory corruption. This vulnerability was named CVE-2016-2439. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Google Android 4.4.3/5.0.1/5.1.0 (Smartphone Operating System). It has been classified as critical. This affects some unknown processing of the component Bluetooth. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow in btif/src/btif_dm.c in Bluetooth in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, and 6.x before 2016-05-01 allows remote attackers to execute arbitrary code via a long PIN value, aka internal bug 27411268.

The weakness was presented 05/02/2016 as Android Security Bulletin - May 2016 as confirmed advisory (Website). It is possible to read the advisory at source.android.com. This vulnerability is uniquely identified as CVE-2016-2439 since 02/18/2016. Access to the local network is required for this attack to succeed. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 11/06/2018). It is expected to see the exploit prices for this product increasing in the near future.

Upgrading to version 4.4.4, 5.0.2, 5.1.1, 6.0 or 6.0.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

See VDB-80659, VDB-80660, VDB-80661 and VDB-83098 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Smartphone Operating System

Vendor

• Google

Name

• Android

Version

• 4.4.3
• 5.0.1
• 5.1.0

License

• free

Website

• Vendor: https://www.google.com/

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Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

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