Google Android up to 9.0 rw_t3t.cc rw_t3t_act_handle_check_ndef_rsp out-of-bounds write

Summaryinfo

A vulnerability, which was classified as critical, has been found in Google Android up to 9.0. Affected is the function rw_t3t_act_handle_check_ndef_rsp of the file rw_t3t.cc. Performing a manipulation results in out-of-bounds write. This vulnerability is cataloged as CVE-2019-2031. The attack must be initiated from a local position. There is no exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in Google Android up to 9.0 (Smartphone Operating System). This affects the function rw_t3t_act_handle_check_ndef_rsp of the file rw_t3t.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 rw_t3t_act_handle_check_ndef_rsp of rw_t3t.cc, there is a possible out-of-bound write due to a missing bounds check. This could lead to local escalation of privilege 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-120502559.

The bug was discovered 04/03/2019. The weakness was shared 04/19/2019 (Website). The advisory is shared at source.android.com. This vulnerability is uniquely identified as CVE-2019-2031 since 12/10/2018. An attack has to be approached locally. The successful exploitation needs a authentication. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/31/2020). 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 16 days. During that time the estimated underground price was around $25k-$100k.

Applying a patch is able to eliminate this problem.

The entries VDB-133864, VDB-133865, VDB-133866 and VDB-133867 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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/

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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