Moddable SDK 11.5.0 xs/sources/xsProxy.c fxProxyGetPrototype memory corruption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.8 | $0-$5k | 0.00 |
A vulnerability classified as critical has been found in Moddable SDK 11.5.0. This affects the function fxProxyGetPrototype
of the file xs/sources/xsProxy.c. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on availability. The summary by CVE is:
Moddable SDK v11.5.0 was discovered to contain a SEGV vulnerability via xs/sources/xsProxy.c in fxProxyGetPrototype.
The weakness was shared 01/27/2023 as 750. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2021-46331 since 01/18/2022. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details and a public exploit are known.
The exploit is shared for download at github.com. It is declared as proof-of-concept.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The entries VDB-133062, VDB-139787, VDB-208625 and VDB-210020 are related to this item.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.9VulDB Meta Temp Score: 4.8
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
01/18/2022 🔍01/27/2023 🔍
01/27/2023 🔍
01/27/2023 🔍
Sources
Advisory: 750Status: Confirmed
CVE: CVE-2021-46331 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 01/27/2023 12:40Changes: 01/27/2023 12:40 (59)
Complete: 🔍
Cache ID: 18:AAB:103
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