XS 9.0.0 Javascript xsAPI.c fxBeginHost buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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8.5$0-$5k0.00

A vulnerability was found in XS 9.0.0. It has been declared as critical. Affected by this vulnerability is the function fxBeginHost of the file xsAPI.c of the component Javascript Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In XS 9.0.0 in Moddable SDK OS180329, there is a heap-based buffer overflow in fxBeginHost in xsAPI.c when called from fxRunDefine in xsRun.c, as demonstrated by crafted JavaScript code to xst.

The weakness was published 09/16/2019. This vulnerability is known as CVE-2019-16366 since 09/16/2019. The attack can be launched remotely. The exploitation doesn't need any form of authentication. 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.

Similar entries are available at VDB-154424, VDB-189790, VDB-221170 and VDB-249448.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/16/2019 🔍
09/16/2019 +0 days 🔍
09/17/2019 +1 days 🔍
12/25/2023 +1560 days 🔍

Sourcesinfo

Advisory: 235
Status: Not defined

CVE: CVE-2019-16366 (🔍)
See also: 🔍

Entryinfo

Created: 09/17/2019 08:57 AM
Updated: 12/25/2023 02:23 PM
Changes: 09/17/2019 08:57 AM (36), 08/27/2020 10:43 AM (17), 12/25/2023 02:23 PM (4)
Complete: 🔍
Cache ID: 98:200:40

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