Google Android up to 4.4.3/5.0.1/5.1.0/6.x Mediaserver memory corruption

Summaryinfo

A vulnerability classified as problematic has been found in Google Android up to 4.4.3/5.0.1/5.1.0/6.x. The affected element is an unknown function of the component Mediaserver. The manipulation leads to memory corruption. This vulnerability is listed as CVE-2016-2484. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Google Android up to 4.4.3/5.0.1/5.1.0/6.x (Smartphone Operating System) and classified as critical. This issue affects some unknown processing of the component Mediaserver. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

libstagefright in mediaserver 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 2016-06-01 does not validate OMX buffer sizes for the GSM and G711 codecs, which allows attackers to gain privileges via a crafted application, as demonstrated by obtaining Signature or SignatureOrSystem access, aka internal bug 27793163.

The weakness was presented 06/13/2016 as 27793163 as confirmed advisory (Website). It is possible to read the advisory at android.googlesource.com. The identification of this vulnerability is CVE-2016-2484 since 02/18/2016. Attacking locally is a requirement. Required for exploitation is a simple authentication. 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 01/18/2019). 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 or 6.x 2016-06-01 eliminates this vulnerability.

See VDB-87840, VDB-87841, VDB-87842 and VDB-87843 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

• 1.0
• 1.1
• 1.5
• 1.6
• 2.0
• 2.0.1
• 2.1
• 2.2
• 2.2.1
• 2.2.2
• 2.2.3
• 2.3
• 2.3.1
• 2.3.2
• 2.3.3
• 2.3.4
• 2.3.5
• 2.3.6
• 2.3.7
• 3.0
• 3.1
• 3.2
• 3.2.1
• 3.2.2
• 3.2.3
• 3.2.4
• 3.2.5
• 3.2.6
• 4.0
• 4.0.1
• 4.0.2
• 4.0.3
• 4.0.4
• 4.1
• 4.1.1
• 4.1.2
• 4.2
• 4.2.1
• 4.2.2
• 4.3
• 4.3.1
• 4.4
• 4.4.1
• 4.4.2
• 4.4.3
• 4.4.4
• 5.0
• 5.0.1
• 5.1.0
• 6.x

License

• free

Website

• Vendor: https://www.google.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

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

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