CVE-2021-4250 : A vulnerability classified as problematic has been found in cgriego active

A vulnerability classified as problematic has been found in cgriego active_attr up to 0.15.2. This affects the function call of the file lib/active_attr/typecasting/boolean_typecaster.rb of the component Regex Handler. The manipulation of the argument value leads to denial of service. The exploit has been disclosed to the public and may be used. Upgrading to version 0.15.3 is able to address this issue. The name of the patch is dab95e5843b01525444b82bd7b336ef1d79377df. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-216207.

Published 2022-12-18 22:15:10

Updated 2024-05-17 02:03:30

Source VulDB

View at NVD, CVE.org

Vulnerability category: Denial of service

Products affected by CVE-2021-4250

Active Attr Project » Active Attr
Versions before (<) 0.15.3
cpe:2.3:a:active_attr_project:active_attr:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2021-4250

EPSS FAQ

0.27%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 67 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-4250

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
3.5	LOW	CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L	2.1	1.4	VulDB
Attack Vector: Adjacent Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: Low
3.5	LOW	CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L	2.1	1.4	VulDB	2024-02-29
Attack Vector: Adjacent Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: Low
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2021-4250

CWE-404 Improper Resource Shutdown or Release

The product does not release or incorrectly releases a resource before it is made available for re-use.

Assigned by: cna@vuldb.com (Primary)

References for CVE-2021-4250

https://github.com/cgriego/active_attr/issues/184

ReDoS vulnerability in ActiveAttr::Typecasting::BooleanTypecaster#call · Issue #184 · cgriego/active_attr · GitHub
Exploit;Issue Tracking;Patch;Third Party Advisory
https://vuldb.com/?id.216207

CVE-2021-4250 | cgriego active_attr Regex boolean_typecaster.rb call denial of service
Third Party Advisory
https://github.com/cgriego/active_attr/pull/185

fix ReDoS vulnerability by wonda-tea-coffee · Pull Request #185 · cgriego/active_attr · GitHub
Patch;Third Party Advisory
https://github.com/cgriego/active_attr/releases/tag/v0.15.3

Release v0.15.3 · cgriego/active_attr · GitHub
Release Notes;Third Party Advisory
https://github.com/cgriego/active_attr/commit/dab95e5843b01525444b82bd7b336ef1d79377df

fix ReDoS vulnerability (#185) · cgriego/active_attr@dab95e5 · GitHub
Patch;Third Party Advisory

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Vulnerability Details : CVE-2021-4250

Products affected by CVE-2021-4250

Exploit prediction scoring system (EPSS) score for CVE-2021-4250

CVSS scores for CVE-2021-4250

CWE ids for CVE-2021-4250

References for CVE-2021-4250