Denial of Service Vulnerability in Cesanta MJS Affected by SEGV Flaw
CVE-2023-29571

5.5MEDIUM

Key Information:

Vendor

Cesanta

Status
Mjs
Vendor
CVE Published:
12 April 2023

What is CVE-2023-29571?

The Cesanta MJS v2.20.0 has been identified to have a significant vulnerability linked to a segmentation fault (SEGV) during garbage collection procedures. This flaw manifests in the gc_sweep function within the mjs_gc.c source file, potentially leading to a Denial of Service (DoS) condition. Exploiting this vulnerability may result in unintended crashes or service disruptions, significantly affecting the availability of the application.

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References

https://github.com/z1r00/fuzz_vuln/blob/main/mjs/SEGV/mjs...
https://github.com/cesanta/mjs/issues/241

CVSS V3.1

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

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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