Vulnerability Details : CVE-2021-42863
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.
Vulnerability category: Overflow
Products affected by CVE-2021-42863
- cpe:2.3:a:jerryscript:jerryscript:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-42863
0.20%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 57 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-42863
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2021-42863
-
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.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-42863
-
https://github.com/jerryscript-project/jerryscript/issues/4793
Buffer-overflow in ecma-builtin-typedarray-prototype.c · Issue #4793 · jerryscript-project/jerryscript · GitHubExploit;Patch;Third Party Advisory
-
https://github.com/jerryscript-project/jerryscript/pull/4794
Force value conversion in case of TypedArray filter method by galpeter · Pull Request #4794 · jerryscript-project/jerryscript · GitHubPatch;Third Party Advisory
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