VDB-165622 · CVE-2020-25464 · GCVE-0-2020-25464

Moddable SDK prior 20200903 xsDebug.c heap-based overflow

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.
6.6	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Moddable SDK. The affected element is an unknown function of the file moddable/xs/sources/xsDebug.c. Executing a manipulation can lead to heap-based overflow. This vulnerability is tracked as CVE-2020-25464. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Moddable SDK and classified as critical. This vulnerability affects some unknown functionality of the file moddable/xs/sources/xsDebug.c. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 12/04/2020. The advisory is available at github.com. This vulnerability was named CVE-2020-25464. Technical details are known, but there is no available exploit.

Upgrading to version 20200903 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

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Productinfo

Vendor

Moddable

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.7

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: Heap-based overflow
CWE: CWE-122 / 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: SDK 20200903

Timelineinfo

09/03/2020 🔍
09/14/2020 +11 days 🔍
12/04/2020 +81 days 🔍
12/04/2020 +0 days 🔍
12/12/2020 +8 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2020-25464 (🔍)
GCVE (CVE): GCVE-0-2020-25464
GCVE (VulDB): GCVE-100-165622

Entryinfo

Created: 12/04/2020 22:55
Updated: 12/12/2020 22:02
Changes: 12/04/2020 22:55 (38), 12/12/2020 21:57 (5), 12/12/2020 22:02 (18)
Complete: 🔍
Cache ID: 216::103