JerryScript ecma_builtin_typedarray_prototype_filter buffer overflow
|CVSS Meta Temp Score|
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|Current Exploit Price (≈)|
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|CTI Interest Score|
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A vulnerability classified as critical was found in JerryScript (the affected version is unknown). This vulnerability affects the function
ecma_builtin_typedarray_prototype_filter. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-120. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
A buffer overflow in ecma_builtin_typedarray_prototype_filter() in JerryScript version fe3a5c0 allows an attacker to construct a fake object or a fake arraybuffer with unlimited size.
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. The exploitation appears to be easy. Access to the local network is required for this attack. The requirement for exploitation is a single authentication. 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.
CVSSv3VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
ExploitingClass: Memory corruption
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
Threat IntelligenceInterest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍
0-Day Time: 🔒
Timeline10/25/2021 CVE reserved
05/12/2022 +199 days Advisory disclosed
05/12/2022 +0 days VulDB entry created
05/14/2022 +2 days VulDB last update
CVE: CVE-2021-42863 (🔒)
EntryCreated: 05/12/2022 04:24 PM
Updated: 05/14/2022 05:48 PM
Changes: (1) source_cve_nvd_summary
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