Google Android prior 2016-07-05 on Nexus 5/Nexus 7 2013 vdec.c vid_dec_set_meta_buffers memory corruption

Summaryinfo

A vulnerability described as problematic has been identified in Google Android on Nexus 5/Nexus 7 2013. The impacted element is the function vid_dec_set_meta_buffers of the file drivers/video/msm/vidc/common/dec/vdec.c. Such manipulation leads to memory corruption. This vulnerability is listed as CVE-2014-9777. The attack must be carried out locally. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Google Android on Nexus 5/Nexus 7 2013 (Smartphone Operating System) and classified as critical. Affected by this issue is the function vid_dec_set_meta_buffers of the file drivers/video/msm/vidc/common/dec/vdec.c. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The vid_dec_set_meta_buffers function in drivers/video/msm/vidc/common/dec/vdec.c in the Qualcomm components in Android before 2016-07-05 on Nexus 5 and 7 (2013) devices does not validate the number of buffers, which allows attackers to gain privileges via a crafted application, aka Android internal bug 28598501 and Qualcomm internal bug CR563654.

The weakness was presented 07/06/2016 as Android Security Bulletin - July 2016 as confirmed security bulletin (Website). The advisory is available at source.android.com. This vulnerability is handled as CVE-2014-9777 since 05/31/2016. The exploitation is known to be easy. Local access is required to approach this attack. The requirement for exploitation is a simple authentication. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 09/01/2022). It is expected to see the exploit prices for this product increasing in the near future.

Upgrading to version 2016-07-05 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 91628†). See VDB-88897, VDB-88899, VDB-88900 and VDB-88901 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Smartphone Operating System

Vendor

• Google

Name

• Android

License

• free

Website

• Vendor: https://www.google.com/

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion