JerryScript ecma_builtin_typedarray_prototype_filter buffer overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.3 | $0-$5k | 0.00 |
Summary
A vulnerability described as critical has been identified in JerryScript. Impacted is the function ecma_builtin_typedarray_prototype_filter. Executing a manipulation can lead to buffer overflow.
This vulnerability is handled as CVE-2021-42863. There is not any exploit available.
A patch should be applied to remediate this issue.
Details
A vulnerability classified as critical was found in JerryScript (unknown version). This vulnerability affects the function ecma_builtin_typedarray_prototype_filter. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was released 05/12/2022 as 4793. The advisory is available at github.com. This vulnerability was named CVE-2021-42863 since 10/25/2021. Technical details are known, but there is no available exploit.
Applying a patch 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.
Product
Type
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.3
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Buffer overflowCWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: github.com
Timeline
10/25/2021 🔍05/12/2022 🔍
05/12/2022 🔍
05/14/2022 🔍
Sources
Advisory: 4793Status: Confirmed
CVE: CVE-2021-42863 (🔍)
GCVE (CVE): GCVE-0-2021-42863
GCVE (VulDB): GCVE-100-199666
Entry
Created: 05/12/2022 16:24Updated: 05/14/2022 17:48
Changes: 05/12/2022 16:24 (38), 05/14/2022 17:48 (1)
Complete: 🔍
Cache ID: 216:F64:103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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