JerryScript up to 3.0.0 ecma-helpers.c ecma_find_named_property stack-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.5$0-$5k0.00

A vulnerability was found in JerryScript up to 3.0.0. It has been rated as critical. Affected by this issue is the function ecma_find_named_property of the file ecma-helpers.c. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-121. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Jerryscript v3.0.0 and below was discovered to contain a stack overflow via ecma_find_named_property in ecma-helpers.c.

The weakness was presented 01/25/2022 as 4890. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2021-44988 since 12/13/2021. The exploitation is known to be easy. The attack can only be done within the local network. The successful exploitation needs a simple authentication. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/28/2022).

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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CVSSv3infoedit

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: 🔍

CVSSv2infoedit

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

Exploitinginfoedit

Class: Memory corruption
CWE: CWE-121
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

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

Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfoedit

12/13/2021 CVE reserved
01/25/2022 +43 days Advisory disclosed
01/25/2022 +0 days VulDB entry created
01/28/2022 +3 days VulDB last update

Sourcesinfoedit

Advisory: 4890
Status: Confirmed

CVE: CVE-2021-44988 (🔒)

Entryinfoedit

Created: 01/25/2022 07:54 AM
Updated: 01/28/2022 09:13 AM
Changes: (1) source_cve_nvd_summary
Complete: 🔍

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