Heap Buffer Overflow in Cesanta MJS Affects Multiple Linux Systems
CVE-2021-46522

7.8HIGH

Key Information:

Vendor

Cesanta

Status
Mjs
Vendor
CVE Published:
27 January 2022

What is CVE-2021-46522?

A heap buffer overflow vulnerability has been discovered in Cesanta MJS v2.20.0, which may allow attackers to execute arbitrary code or crash the affected systems. This issue occurs through the manipulation of memory in a specific library, posing a significant risk to applications relying on this version of MJS. Users are encouraged to upgrade to a secure version to mitigate potential risks associated with this vulnerability.

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References

https://github.com/cesanta/mjs/issues/196
x_refsource_MISC

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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