VDB-189922 · CVE-2021-44528 · GCVE-0-2021-44528

Action Pack 6.0.0 on Ruby on Rails Host Authorization Middleware 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-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in Action Pack 6.0.0 on Ruby on Rails. The impacted element is an unknown function of the component Host Authorization Middleware. Executing a manipulation can lead to redirect. This vulnerability is tracked as CVE-2021-44528. The attack can be launched remotely. No exploit exists. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability has been found in Action Pack 6.0.0 on Ruby on Rails and classified as critical. This vulnerability affects an unknown code block of the component Host Authorization Middleware. The manipulation 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 disclosed 01/10/2022 as 0fccfb9a3097a9c4260c791f1a40b128517e7815. The advisory is available at github.com. This vulnerability was named CVE-2021-44528 since 12/02/2021. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1204.001 by the MITRE ATT&CK project.

Applying the patch 0fccfb9a3097a9c4260c791f1a40b128517e7815 is able to eliminate this problem. The bugfix is ready for download at github.com.

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

Productinfo

Name

Action Pack

Version

6.0.0

License

open-source

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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 0fccfb9a3097a9c4260c791f1a40b128517e7815

Timelineinfo

12/02/2021 🔍
01/10/2022 +39 days 🔍
01/10/2022 +0 days 🔍
01/13/2022 +3 days 🔍

Sourcesinfo

Advisory: 0fccfb9a3097a9c4260c791f1a40b128517e7815
Status: Confirmed

CVE: CVE-2021-44528 (🔍)
GCVE (CVE): GCVE-0-2021-44528
GCVE (VulDB): GCVE-100-189922

Entryinfo

Created: 01/10/2022 20:34
Updated: 01/13/2022 07:51
Changes: 01/10/2022 20:34 (40), 01/13/2022 07:51 (1)
Complete: 🔍
Cache ID: 216::103