clearance up to 2.4.x Session return_to redirect

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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.
6.8$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in clearance up to 2.4.x. Affected by this vulnerability is an unknown functionality of the component Session Handler. The manipulation of the argument return_to results in redirect. This vulnerability is known as CVE-2021-23435. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in clearance up to 2.4.x. It has been classified as critical. Affected is an unknown function of the component Session Handler. The manipulation of the argument return_to with an unknown input leads to a redirect vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 09/13/2021 as SNYK-RUBY-CLEARANCE-1577284. The advisory is available at snyk.io. This vulnerability is traded as CVE-2021-23435 since 01/08/2021. 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 2.5.0 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.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

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

CNA Base Score: 7.6
CNA Vector (Snyk): 🔍

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: clearance 2.5.0
Patch: github.com

Timelineinfo

01/08/2021 🔍
09/13/2021 +247 days 🔍
09/13/2021 +0 days 🔍
09/16/2021 +3 days 🔍

Sourcesinfo

Advisory: SNYK-RUBY-CLEARANCE-1577284
Status: Confirmed

CVE: CVE-2021-23435 (🔍)
GCVE (CVE): GCVE-0-2021-23435
GCVE (VulDB): GCVE-100-182490

Entryinfo

Created: 09/13/2021 07:12
Updated: 09/16/2021 09:47
Changes: 09/13/2021 07:12 (50), 09/16/2021 09:47 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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