CVE Vulnerability

CVE-2019-7701

A heap-based buffer over-read was discovered in wasm::SExpressionParser::skipWhitespace() in wasm-s-parser.cpp in Binaryen 1.38.22. A crafted wasm input can cause a segmentation fault, leading to denial-of-service, as demonstrated by wasm2js.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/WebAssembly/binaryen/issues/1863 Exploit Patch
Configurations

Configuration 1

cpe:2.3:a:webassembly:binaryen:*:*:*:*:*:*:*:*
Information

Published : 2019-02-10 10:29

Updated : 2020-06-08 05:03

NVD link : CVE-2019-7701

Mitre link : CVE-2019-7701

Products Affected
No products.
CWE
CWE-125

Out-of-bounds Read