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WS-2020-0419

Good to know:

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Date: March 16, 2020

In “WebAssembly/wabt”, v1.0.14 to v1.0.19 are vulnerable against segmentation fault, as a result of missing size check for data_segments, that leads the segment index, to over-read the buffer.

Language: C++

Severity Score

Related Resources (2)

https://github.com/WebAssembly/wabt/blob/bd52b8845aa8dcbecc8fc14d77a2bd4e64ad6e75/src/binary-reader-ir.cc#L1265
https://www.mend.io/vulnerability-database/WS-2020-0419

Severity Score

Weakness Type (CWE)

Permissions, Privileges, and Access Control

CWE-264

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

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