Cesanta MJS 2.20.0 src/mjs_ffi.c mjs_ffi_cb_free memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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4.5$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Cesanta MJS 2.20.0. Impacted is the function mjs_ffi_cb_free of the file src/mjs_ffi.c. This manipulation causes memory corruption. This vulnerability is tracked as CVE-2023-29570. No exploit exists.

Detailsinfo

A vulnerability classified as problematic was found in Cesanta MJS 2.20.0. Affected by this vulnerability is the function mjs_ffi_cb_free of the file src/mjs_ffi.c. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect availability. The summary by CVE is:

Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via mjs_ffi_cb_free at src/mjs_ffi.c. This vulnerability can lead to a Denial of Service (DoS).

The weakness was disclosed 04/24/2023 as 240. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2023-29570 since 04/07/2023. Technical details of the vulnerability are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-33111). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/07/2023 🔍
04/24/2023 +17 days 🔍
04/24/2023 +0 days 🔍
12/11/2025 +962 days 🔍

Sourcesinfo

Product: github.com

Advisory: 240
Status: Confirmed

CVE: CVE-2023-29570 (🔍)
GCVE (CVE): GCVE-0-2023-29570
GCVE (VulDB): GCVE-100-227287
EUVD: 🔍

Entryinfo

Created: 04/24/2023 18:08
Updated: 12/11/2025 04:58
Changes: 04/24/2023 18:08 (40), 05/18/2023 11:00 (11), 12/11/2025 04:58 (16)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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