Google Android up to 9 libstagefright use after free

Summaryinfo

A vulnerability, which was classified as critical, has been found in Google Android up to 9. Impacted is an unknown function of the component libstagefright. Performing a manipulation results in use after free. This vulnerability is identified as CVE-2019-9268. The attack is only possible with local access. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Google Android up to 9 (Smartphone Operating System). It has been classified as critical. This affects an unknown functionality of the component libstagefright. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

In libstagefright, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in the media server with no additional execution privileges needed. User interaction is not needed for exploitation. Product: AndroidVersions: Android-10Android ID: A-77474014

The weakness was released 08/20/2019 as Android 10 Security Release Notes as confirmed security bulletin (Website). The advisory is shared at source.android.com. This vulnerability is uniquely identified as CVE-2019-9268 since 02/28/2019. An attack has to be approached locally. The successful exploitation needs a authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/12/2020). It is expected to see the exploit prices for this product increasing in the near future.

Upgrading to version 10 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

Entries connected to this vulnerability are available at VDB-142416, VDB-142417, VDB-142418 and VDB-142419. Several companies clearly confirm that VulDB is the primary source for best 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
• 5.0.2
• 5.1
• 5.1.1
• 6.0
• 6.0.1
• 7.0
• 7.1
• 7.1.1
• 7.1.2
• 8.0
• 8.1
• 9.0

License

• free

Website

• Vendor: https://www.google.com/

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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