Auth0 Next.js up to 1.6.1 Login URL returnTo redirect

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Auth0 Next.js up to 1.6.1. The affected element is an unknown function of the component Login URL Handler. This manipulation of the argument returnTo causes redirect. This vulnerability is handled as CVE-2021-43812. The attack can be initiated remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Auth0 Next.js up to 1.6.1 (JavaScript Library) and classified as critical. Affected by this vulnerability is some unknown functionality of the component Login URL Handler. The manipulation of the argument returnTo with an unknown input leads to a redirect vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 12/17/2021 as GHSA-2mqv-4j3r-vjvp. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2021-43812 since 11/16/2021. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1204.001 according to MITRE ATT&CK.

Upgrading to version 1.6.2 eliminates this vulnerability. Applying the patch 0bbd9f8a0c93af51f607f28633b5fb18c5e48ad6 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.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

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: 6.2

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

CNA Base Score: 6.4
CNA Vector (GitHub, Inc.): 🔍

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: Next.js 1.6.2
Patch: 0bbd9f8a0c93af51f607f28633b5fb18c5e48ad6

Timelineinfo

11/16/2021 🔍
12/17/2021 +31 days 🔍
12/17/2021 +0 days 🔍
12/22/2021 +5 days 🔍

Sourcesinfo

Advisory: GHSA-2mqv-4j3r-vjvp
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-43812 (🔍)
GCVE (CVE): GCVE-0-2021-43812
GCVE (VulDB): GCVE-100-188491

Entryinfo

Created: 12/17/2021 08:00
Updated: 12/22/2021 18:32
Changes: 12/17/2021 08:00 (54), 12/22/2021 18:32 (2)
Complete: 🔍
Cache ID: 216::103

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