Buffer Overflow Vulnerability in Cesanta mJS Software
CVE-2021-36535

5.5MEDIUM

Key Information:

Vendor

Cesanta

Status
Mjs
Vendor
CVE Published:
3 February 2023

What is CVE-2021-36535?

The mJS software, developed by Cesanta, is susceptible to a buffer overflow vulnerability that can be exploited by remote attackers. By sending specially crafted JavaScript (.js) files to the mjs_set_errorf function, an attacker can trigger a denial of service, impacting the functionality and availability of the affected system. This vulnerability underscores the importance of secure coding practices and robust error handling to mitigate potential exploits.

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References

https://github.com/cesanta/mjs/issues/175

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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