Google Android up to 9 libxaac out-of-bounds write

Summaryinfo

A vulnerability classified as critical has been found in Google Android up to 9. The impacted element is an unknown function of the component libxaac. This manipulation causes out-of-bounds write. This vulnerability is registered as CVE-2019-2077. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Google Android up to 9 (Smartphone Operating System). Affected by this vulnerability is some unknown processing of the component libxaac. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In libxaac there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution with no additional execution privileges needed. User interaction is needed for exploitation. Product: AndroidVersions: Android-10Android ID: A-114745929

The weakness was published 08/20/2019 as Android 10 Security Release Notes as confirmed security bulletin (Website). It is possible to read the advisory at source.android.com. This vulnerability is known as CVE-2019-2077 since 12/10/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. 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 09/11/2020). 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.

Similar entries are available at VDB-142416, VDB-142417, VDB-142418 and VDB-142419. Statistical analysis made it clear that VulDB provides the best quality 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
• 5.0.2
• 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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