VDB-167460 · CVE-2020-7794 · GCVE-0-2020-7794

buns Index File lib/index.js install(requestedModule) injection

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.
7.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in buns. It has been declared as critical. The impacted element is the function install(requestedModule) in the library lib/index.js of the file lib/index.js of the component Index File Handler. The manipulation results in injection. This vulnerability is known as CVE-2020-7794. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in buns (version now known). It has been classified as critical. Affected is the function install(requestedModule) in the library lib/index.js of the file lib/index.js of the component Index File Handler. The manipulation with an unknown input leads to a injection vulnerability. CWE is classifying the issue as CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 01/09/2021 as SNYK-JS-BUNS-1050389. The advisory is shared for download at snyk.io. This vulnerability is traded as CVE-2020-7794. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1055.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

buns

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.3

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

CVSSv2info

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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: Injection
CWE: CWE-74 / CWE-707 / CWE-20
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
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/21/2020 🔍
01/09/2021 +354 days 🔍
01/09/2021 +0 days 🔍
02/10/2021 +32 days 🔍

Sourcesinfo

Advisory: SNYK-JS-BUNS-1050389
Status: Not defined

CVE: CVE-2020-7794 (🔍)
GCVE (CVE): GCVE-0-2020-7794
GCVE (VulDB): GCVE-100-167460

Entryinfo

Created: 01/09/2021 08:16
Updated: 02/10/2021 12:46
Changes: 01/09/2021 08:16 (38), 02/10/2021 12:40 (2), 02/10/2021 12:46 (8)
Complete: 🔍
Cache ID: 216::103