Summaryinfo

A vulnerability classified as critical has been found in Google Android up to 8.1. Affected by this vulnerability is the function bta_dm_sdp_result of the file bta_dm_act.cc. Performing a manipulation results in out-of-bounds write. This vulnerability is cataloged as CVE-2018-9355. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in Google Android up to 8.1 (Smartphone Operating System). This affects the function bta_dm_sdp_result of the file bta_dm_act.cc. 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 bta_dm_sdp_result of bta_dm_act.cc, there is a possible out of bounds stack write due to a missing bounds check. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android-6.0 Android-6.0.1 Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android ID: A-74016921.

The bug was discovered 07/24/2018. The weakness was shared 11/06/2018 (Website). The advisory is shared at source.android.com. This vulnerability is uniquely identified as CVE-2018-9355 since 04/05/2018. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/10/2020). 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 105 days. During that time the estimated underground price was around $25k-$100k.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 104461†). The entries VDB-119220, VDB-119221, VDB-119222 and VDB-126490 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

• 6.0
• 6.0.1
• 7.0
• 7.1.1
• 7.1.2
• 8.0
• 8.1

License

• free

Website

• Vendor: https://www.google.com/

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