JerryScript 2.4.0 ecma-helpers-string.c ecma_compare_ecma_non_direct_strings use after free

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability was found in JerryScript 2.4.0. It has been classified as critical. This impacts the function ecma_compare_ecma_non_direct_strings of the file ecma-helpers-string.c. Performing a manipulation results in use after free. This vulnerability is identified as CVE-2021-41682. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in JerryScript 2.4.0. This affects the function ecma_compare_ecma_non_direct_strings of the file ecma-helpers-string.c. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

There is a heap-use-after-free at ecma-helpers-string.c:1940 in ecma_compare_ecma_non_direct_strings in JerryScript 2.4.0

The weakness was released 06/20/2022 as 4747. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2021-41682 since 09/27/2021. 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.

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

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
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

09/27/2021 🔍
06/20/2022 +266 days 🔍
06/20/2022 +0 days 🔍
06/20/2022 +0 days 🔍

Sourcesinfo

Advisory: 4747
Status: Confirmed

CVE: CVE-2021-41682 (🔍)
GCVE (CVE): GCVE-0-2021-41682
GCVE (VulDB): GCVE-100-202431

Entryinfo

Created: 06/20/2022 22:10
Changes: 06/20/2022 22:10 (39)
Complete: 🔍
Cache ID: 216::103

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

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