Cesanta MJS 1.26 JS File mjs_set_errorf denial of service

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Cesanta MJS 1.26. It has been declared as problematic. Affected is the function mjs_set_errorf of the component JS File Handler. Such manipulation leads to denial of service. This vulnerability is uniquely identified as CVE-2021-36535. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Cesanta MJS 1.26. Affected by this issue is the function mjs_set_errorf of the component JS File Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:

Buffer Overflow vulnerability in Cesanta mJS 1.26 allows remote attackers to cause a denial of service via crafted .js file to mjs_set_errorf.

The weakness was disclosed 02/03/2023 as 175. The advisory is available at github.com. This vulnerability is handled as CVE-2021-36535 since 07/12/2021. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

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

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Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

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

07/12/2021 🔍
02/03/2023 +571 days 🔍
02/03/2023 +0 days 🔍
03/04/2023 +29 days 🔍

Sourcesinfo

Product: github.com

Advisory: 175
Status: Confirmed

CVE: CVE-2021-36535 (🔍)
GCVE (CVE): GCVE-0-2021-36535
GCVE (VulDB): GCVE-100-220142

Entryinfo

Created: 02/03/2023 21:03
Updated: 03/04/2023 15:11
Changes: 02/03/2023 21:03 (40), 03/04/2023 15:11 (11)
Complete: 🔍
Cache ID: 216::103

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