Google Android up to 9.0 Proxy Auto-Config ic.cc UpdateLoadElement out-of-bounds write

Summaryinfo

A vulnerability, which was classified as critical, has been found in Google Android up to 9.0. This affects the function UpdateLoadElement of the file ic.cc of the component Proxy Auto-Config. Performing a manipulation results in out-of-bounds write. This vulnerability is cataloged as CVE-2019-2047. It is possible to initiate the attack remotely. There is no exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as critical, was found in Google Android up to 9.0 (Smartphone Operating System). This affects the function UpdateLoadElement of the file ic.cc of the component Proxy Auto-Config. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

In UpdateLoadElement of ic.cc, there is a possible out-of-bounds write due to type confusion. This could lead to remote code execution in the proxy auto-config with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9 Android ID: A-117607414

The bug was discovered 05/06/2019. The weakness was shared 05/08/2019 (Website). It is possible to read the advisory at source.android.com. This vulnerability is uniquely identified as CVE-2019-2047 since 12/10/2018. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 06/08/2020). It is expected to see the exploit prices for this product increasing in the near future.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $25k-$100k.

Applying a patch is able to eliminate this problem.

The entries VDB-134453, VDB-134495, VDB-134496 and VDB-134497 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Smartphone Operating System

Vendor

• Google

Name

• Android

Version

• 7.0
• 7.1.1
• 7.1.2
• 8.0
• 8.1
• 9.0

License

• free

Website

• Vendor: https://www.google.com/

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