trailing-slash up to 2.0.0 index.js::createTrailing redirect

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.
6.0$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in trailing-slash up to 2.0.0. Impacted is the function index.js::createTrailing. Such manipulation leads to redirect. This vulnerability is listed as CVE-2021-23387. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in trailing-slash up to 2.0.0. It has been rated as critical. Affected by this issue is the function index.js::createTrailing. The manipulation with an unknown input leads to a redirect vulnerability. Using CWE to declare the problem leads to CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. Impacted is confidentiality, integrity, and availability.

The weakness was presented 05/25/2021 as SNYK-JS-TRAILINGSLASH-1085707. The advisory is available at snyk.io. This vulnerability is handled as CVE-2021-23387. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1204.001 by the MITRE ATT&CK project.

Upgrading to version 2.0.1 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

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

CVSSv2info

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

Exploitinginfo

Class: Redirect
CWE: CWE-601
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: trailing-slash 2.0.1
Patch: github.com

Timelineinfo

01/08/2021 🔍
05/25/2021 +136 days 🔍
05/25/2021 +0 days 🔍
05/27/2021 +2 days 🔍

Sourcesinfo

Advisory: SNYK-JS-TRAILINGSLASH-1085707
Status: Confirmed

CVE: CVE-2021-23387 (🔍)
GCVE (CVE): GCVE-0-2021-23387
GCVE (VulDB): GCVE-100-175598

Entryinfo

Created: 05/25/2021 09:09
Updated: 05/27/2021 15:03
Changes: 05/25/2021 09:09 (38), 05/27/2021 14:59 (5), 05/27/2021 15:03 (1)
Complete: 🔍
Cache ID: 216::103

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