Vulnerability Details : CVE-2023-43338
Potential exploit
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.
Vulnerability category: Memory CorruptionExecute code
Products affected by CVE-2023-43338
- cpe:2.3:a:cesanta:mjs:2.20.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-43338
0.29%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 52 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-43338
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
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-2023-43338
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2023-43338
-
https://github.com/cesanta/mjs/issues/250
Function Pointer Hijack mjs/mjs.c in mjs_execute · Issue #250 · cesanta/mjs · GitHubExploit;Issue Tracking;Vendor Advisory
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