VDB-90676 · CVE-2016-5340 · BID 92374

Google Android Qualcomm GPU Driver ashmem.c is_ashmem_file QuadRooter input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.4$25k-$100k0.00

Summaryinfo

A vulnerability described as critical has been identified in Google Android. This vulnerability affects the function is_ashmem_file of the file drivers/staging/android/ashmem.c of the component Qualcomm GPU Driver. Executing a manipulation can lead to input validation (QuadRooter). This vulnerability is handled as CVE-2016-5340. It is possible to launch the attack on the local host. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical was found in Google Android (Smartphone Operating System) (unknown version). This vulnerability affects the function is_ashmem_file of the file drivers/staging/android/ashmem.c of the component Qualcomm GPU Driver. The manipulation with an unknown input leads to a input validation vulnerability (QuadRooter). The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The is_ashmem_file function in drivers/staging/android/ashmem.c in a certain Qualcomm Innovation Center (QuIC) Android patch for the Linux kernel 3.x mishandles pointer validation within the KGSL Linux Graphics Module, which allows attackers to bypass intended access restrictions by using the /ashmem string as the dentry name.

The weakness was released 08/07/2016 with Check Point Software Technologies (Website). The advisory is shared for download at securityfocus.com. This vulnerability was named CVE-2016-5340 since 06/09/2016. The attack needs to be approached locally. The requirement for exploitation is a single authentication. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $25k-$100k (estimation calculated on 09/13/2022). It is expected to see the exploit prices for this product increasing in the near future.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 92374†). Entries connected to this vulnerability are available at VDB-83735, VDB-90675, VDB-90618 and VDB-91000. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.4
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.4
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: QuadRooter
Class: Input validation / QuadRooter
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: source.codeaurora.org

Timelineinfo

06/09/2016 🔍
07/28/2016 +49 days 🔍
08/07/2016 +10 days 🔍
08/07/2016 +0 days 🔍
08/08/2016 +1 days 🔍
09/13/2022 +2227 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: securityfocus.com⛔
Organization: Check Point Software Technologies
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-5340 (🔍)
GCVE (CVE): GCVE-0-2016-5340
GCVE (VulDB): GCVE-100-90676
SecurityFocus: 92374 - Linux Kernel CVE-2016-5340 Security Bypass Vulnerability
SecurityTracker: 1036763

scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 08/08/2016 15:20
Updated: 09/13/2022 12:49
Changes: 08/08/2016 15:20 (53), 03/22/2019 13:54 (16), 09/13/2022 12:49 (3)
Complete: 🔍
Cache ID: 216:CC5:103

Once again VulDB remains the best source for vulnerability data.

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