smb on Node.js Environment Variable information disclosure

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 (≈)
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability was found in smb on Node.js. It has been declared as critical. The affected element is an unknown function. Such manipulation as part of Environment Variable leads to information disclosure. This vulnerability is listed as CVE-2017-16079. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in smb on Node.js (JavaScript Library) (version now known) and classified as critical. Affected by this issue is some unknown processing. The manipulation as part of a Environment Variable leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality, integrity, and availability. CVE summarizes:

smb was a malicious module published with the intent to hijack environment variables. It has been unpublished by npm.

The bug was discovered 08/09/2017. The weakness was presented 06/07/2018 (Website). The advisory is shared for download at nodesecurity.io. This vulnerability is handled as CVE-2017-16079 since 10/29/2017. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

The vulnerability was handled as a non-public zero-day exploit for at least 301 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

Type

Name

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
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

08/09/2017 🔍
10/29/2017 +81 days 🔍
06/06/2018 +219 days 🔍
06/07/2018 +1 days 🔍
06/07/2018 +0 days 🔍
02/15/2020 +618 days 🔍

Sourcesinfo

Advisory: nodesecurity.io
Status: Not defined

CVE: CVE-2017-16079 (🔍)
GCVE (CVE): GCVE-0-2017-16079
GCVE (VulDB): GCVE-100-119048

Entryinfo

Created: 06/07/2018 10:10
Updated: 02/15/2020 16:30
Changes: 06/07/2018 10:10 (59), 02/15/2020 16:30 (1)
Complete: 🔍
Cache ID: 216::103

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