CVE-2021-4250

low-risk
Published 2022-12-18

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.

Do I need to act?

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0.88% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
3
CVSS 3.5/10 Low
ADJACENT_NETWORK / LOW complexity

Affected Products (1)

Active Attr

Affected Vendors

Active Attr Project

References (10)

Patch https://github.com/cgriego/active_attr/commit/dab95e5843b01525444b82bd7b336ef1d7...
Exploit https://github.com/cgriego/active_attr/issues/184
Patch https://github.com/cgriego/active_attr/pull/185
Release Notes https://github.com/cgriego/active_attr/releases/tag/v0.15.3
Third Party Advisory https://vuldb.com/?id.216207
Patch https://github.com/cgriego/active_attr/commit/dab95e5843b01525444b82bd7b336ef1d7...
Exploit https://github.com/cgriego/active_attr/issues/184
Patch https://github.com/cgriego/active_attr/pull/185
Release Notes https://github.com/cgriego/active_attr/releases/tag/v0.15.3
Third Party Advisory https://vuldb.com/?id.216207
21
/ 100
low-risk
Severity 13/34 · Low
Exploitability 3/34 · Minimal
Exposure 5/34 · Minimal