CVE-2023-43338

Public Exploit

Description

Cesanta mjs v2.20.0 was discovered to contain a function pointer hijacking vulnerability via the function mjs_get_ptr(). This vulnerability allows attackers to execute arbitrary code via a crafted input.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.29%
Vendor Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/cesanta/mjs/issues/250 vendor advisory issue tracking exploit

Frequently Asked Questions

What is the severity of CVE-2023-43338?
CVE-2023-43338 has been scored as a critical severity vulnerability.
How to fix CVE-2023-43338?
To fix CVE-2023-43338, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-43338 being actively exploited in the wild?
It is possible that CVE-2023-43338 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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