mjs/ES6 mjs.c json_printf null pointer dereference

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

Summaryinfo

A vulnerability was found in mjs and ES6. It has been classified as problematic. This impacts the function json_printf of the file mjs.c. The manipulation leads to null pointer dereference. This vulnerability is traded as CVE-2021-33442. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in mjs and ES6 (unknown version). This issue affects the function json_printf of the file mjs.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. The summary by CVE is:

An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6). There is NULL pointer dereference in json_printf() in mjs.c.

The weakness was shared 07/26/2022 as 161. The advisory is shared at github.com. The identification of this vulnerability is CVE-2021-33442 since 05/20/2021. Technical details are known, but no exploit is available.

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

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: Null pointer dereference
CWE: CWE-476 / CWE-404
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

05/20/2021 🔍
07/26/2022 +432 days 🔍
07/26/2022 +0 days 🔍
08/27/2022 +32 days 🔍

Sourcesinfo

Advisory: 161
Status: Confirmed

CVE: CVE-2021-33442 (🔍)
GCVE (CVE): GCVE-0-2021-33442
GCVE (VulDB): GCVE-100-205049

Entryinfo

Created: 07/26/2022 18:39
Updated: 08/27/2022 10:18
Changes: 07/26/2022 18:39 (38), 08/27/2022 10:18 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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