VDB-158998 · CVE-2020-8174 · GCVE-0-2020-8174

Node up to 10.20.x/12.17.x/14.3.x napi_get_value_string_* String memory corruption

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.
8.2	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in Node up to 10.20.x/12.17.x/14.3.x. This issue affects the function napi_get_value_string_*. Executing a manipulation as part of String can lead to memory corruption. This vulnerability appears as CVE-2020-8174. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Node up to 10.20.x/12.17.x/14.3.x and classified as critical. This vulnerability affects the function napi_get_value_string_*. The manipulation as part of a String leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

napi_get_value_string_*() allows various kinds of memory corruption in node < 10.21.0, 12.18.0, and < 14.4.0.

The weakness was presented 07/24/2020 (Website). The advisory is available at hackerone.com. This vulnerability was named CVE-2020-8174 since 01/28/2020. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

Upgrading to version 10.21.0, 12.18.0 or 14.4.0 eliminates this vulnerability.

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Productinfo

Name

Node

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Node 10.21.0/12.18.0/14.4.0

Timelineinfo

01/28/2020 🔍
07/24/2020 +178 days 🔍
07/25/2020 +1 days 🔍
11/05/2020 +103 days 🔍

Sourcesinfo

Advisory: hackerone.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-8174 (🔍)
GCVE (CVE): GCVE-0-2020-8174
GCVE (VulDB): GCVE-100-158998

Entryinfo

Created: 07/25/2020 09:00
Updated: 11/05/2020 15:36
Changes: 07/25/2020 09:00 (39), 07/25/2020 09:05 (17), 11/05/2020 15:36 (1)
Complete: 🔍
Cache ID: 216::103