CVE-2021-4250

Public Exploit
cgriego active_attr Regex boolean_typecaster.rb call denial of service

Description

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.

Category

3.5
CVSS
Severity: Low
CVSS 3.1 •
EPSS 0.06%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory vuldb.com
Affected: cgriego active_attr
Published at:
Updated at:

References

Link Tags
https://vuldb.com/?id.216207 third party advisory vdb entry technical description
https://github.com/cgriego/active_attr/issues/184 patch exploit third party advisory issue tracking
https://github.com/cgriego/active_attr/pull/185 patch related third party advisory
https://github.com/cgriego/active_attr/commit/dab95e5843b01525444b82bd7b336ef1d79377df patch mitigation third party advisory
https://github.com/cgriego/active_attr/releases/tag/v0.15.3 mitigation third party advisory release notes

Frequently Asked Questions

What is the severity of CVE-2021-4250?
CVE-2021-4250 has been scored as a low severity vulnerability.
How to fix CVE-2021-4250?
To fix CVE-2021-4250, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-4250 being actively exploited in the wild?
It is possible that CVE-2021-4250 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-4250?
CVE-2021-4250 affects cgriego active_attr.
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