VDB-104797 · CVE-2017-9770 · GCVE-0-2017-9770

Razer Synapse IOCTL rzpnk.sys out-of-bounds

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
5.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Razer Synapse. It has been rated as critical. Affected by this vulnerability is an unknown functionality of the file rzpnk.sys of the component IOCTL Handler. This manipulation causes out-of-bounds. This vulnerability is tracked as CVE-2017-9770. The attack is restricted to local execution. No exploit exists.

Detailsinfo

A vulnerability classified as critical was found in Razer Synapse (version unknown). Affected by this vulnerability is an unknown function of the file rzpnk.sys of the component IOCTL Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads 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:

A specially crafted IOCTL can be issued to the rzpnk.sys driver in Razer Synapse that can cause an out of bounds read operation to occur due to a field within the IOCTL data being used as a length.

The bug was discovered 07/13/2017. The weakness was disclosed 08/02/2017 (Website). The advisory is shared at warroom.securestate.com. This vulnerability is known as CVE-2017-9770 since 06/21/2017. The exploitation appears to be easy. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 20 days. During that time the estimated underground price was around $0-$5k.

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

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Productinfo

Vendor

Razer

Name

Synapse

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/21/2017 🔍
07/13/2017 +22 days 🔍
08/02/2017 +20 days 🔍
08/02/2017 +0 days 🔍
08/03/2017 +1 days 🔍
11/03/2019 +822 days 🔍

Sourcesinfo

Advisory: warroom.securestate.com
Status: Not defined

CVE: CVE-2017-9770 (🔍)
GCVE (CVE): GCVE-0-2017-9770
GCVE (VulDB): GCVE-100-104797
See also: 🔍

Entryinfo

Created: 08/03/2017 10:45
Updated: 11/03/2019 13:41
Changes: 08/03/2017 10:45 (58), 11/03/2019 13:41 (1)
Complete: 🔍
Cache ID: 216::103

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