cgriego active_attr up to 0.15.2 Regex boolean_typecaster.rb call value denial of service
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.7 | $0-$5k | 0.04 |
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
with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.
The weakness was disclosed 12/18/2022. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2021-4250. Technical details and a public exploit are known.
The exploit is shared for download at github.com. It is declared as proof-of-concept.
Upgrading to version 0.15.3 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch dab95e5843b01525444b82bd7b336ef1d79377df 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.
Product
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.8VulDB Meta Temp Score: 4.7
VulDB Base Score: 3.5
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CNA Base Score: 3.5
CNA Vector (VulDB): 🔍
CVSSv2
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: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Partially
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: active_attr 0.15.3
Patch: dab95e5843b01525444b82bd7b336ef1d79377df
Timeline
12/18/2022 🔍12/18/2022 🔍
12/18/2022 🔍
01/15/2023 🔍
Sources
Advisory: dab95e5843b01525444b82bd7b336ef1d79377dfStatus: Confirmed
Confirmation: 🔍
CVE: CVE-2021-4250 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 12/18/2022 22:00Updated: 01/15/2023 09:36
Changes: 12/18/2022 22:00 (49), 12/24/2022 15:05 (3), 01/15/2023 09:32 (3), 01/15/2023 09:36 (21)
Complete: 🔍
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