Google Android up to 9.0 vlc_dequant.cpp VlcDequantH263IntraBlock_SH out-of-bounds write

Summaryinfo

A vulnerability, which was classified as critical, has been found in Google Android 7.1.1/7.1.2/8.0/8.1/9.0. Affected is the function VlcDequantH263IntraBlock_SH of the file vlc_dequant.cpp. The manipulation leads to out-of-bounds write. This vulnerability is uniquely identified as CVE-2019-2185. The attack is possible to be carried out remotely. No exploit exists. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Google Android 7.1.1/7.1.2/8.0/8.1/9.0 (Smartphone Operating System). This issue affects the function VlcDequantH263IntraBlock_SH of the file vlc_dequant.cpp. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In VlcDequantH263IntraBlock_SH of vlc_dequant.cpp, 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-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9 Android-10Android ID: A-136173699

The weakness was disclosed 10/11/2019 (Website). The advisory is shared at source.android.com. The identification of this vulnerability is CVE-2019-2185 since 12/10/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. 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 10/03/2020). It is expected to see the exploit prices for this product increasing in the near future.

Applying a patch is able to eliminate this problem.

The entries VDB-143412, VDB-143413, VDB-143414 and VDB-143416 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Smartphone Operating System

Vendor

• Google

Name

• Android

Version

• 7.1.1
• 7.1.2
• 8.0
• 8.1
• 9.0

License

• free

Website

• Vendor: https://www.google.com/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

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

Discussion