VDB-97699 · CVE-2017-0520 · BID 96804

Google Android Qualcomm Crypto Engine Driver access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.4$25k-$100k0.00

Summaryinfo

A vulnerability was found in Google Android. It has been rated as critical. This affects an unknown function of the component Qualcomm Crypto Engine Driver. This manipulation causes access control. The identification of this vulnerability is CVE-2017-0520. The attack can only be executed locally. There is no exploit available.

Detailsinfo

A vulnerability has been found in Google Android (Smartphone Operating System) (version unknown) and classified as critical. Affected by this vulnerability is an unknown function of the component Qualcomm Crypto Engine Driver. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An elevation of privilege vulnerability in the Qualcomm crypto engine driver could enable a local malicious application to execute arbitrary code within the context of the kernel. This issue is rated as High because it first requires compromising a privileged process. Product: Android. Versions: Kernel-3.10, Kernel-3.18. Android ID: A-31750232. References: QC-CR#1082636.

The bug was discovered 03/06/2017. The weakness was shared 03/08/2017 (Website). It is possible to read the advisory at source.android.com. This vulnerability is known as CVE-2017-0520 since 11/29/2016. Attacking locally is a requirement. The successful exploitation requires a single authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $25k-$100k.

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 96804†). The entries VDB-94929, VDB-94930, VDB-94931 and VDB-94932 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.8
VulDB Temp Score: 7.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.0
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

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: 🔍

Timelineinfo

11/29/2016 🔍
03/06/2017 +97 days 🔍
03/06/2017 +0 days 🔍
03/07/2017 +1 days 🔍
03/08/2017 +1 days 🔍
03/08/2017 +0 days 🔍
09/05/2020 +1277 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: source.android.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-0520 (🔍)
GCVE (CVE): GCVE-0-2017-0520
GCVE (VulDB): GCVE-100-97699
SecurityFocus: 96804 - Google Nexus Qualcomm Crypto Engine Driver CVE-2017-0520 Privilege Escalation Vulnerability
OSVDB: - CVE-2017-0520 - Linux - Kernel - Privilege Escalation Issue

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

Entryinfo

Created: 03/08/2017 11:21
Updated: 09/05/2020 12:38
Changes: 03/08/2017 11:21 (61), 09/05/2020 12:38 (5)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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