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HistoryAug 22, 2023 - 7:15 p.m.
CVE-2020-18378
cve-2020-18378
sexpressionwasmbuilder
wasm input
segmentation fault
denial-of-service
wasm-as
CVSS3
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS
0.001
Percentile
27.2%
A NULL pointer dereference was discovered in SExpressionWasmBuilder::makeBlock in wasm/wasm-s-parser.c in Binaryen 1.38.26. A crafted wasm input can cause a segmentation fault, leading to denial-of-service, as demonstrated by wasm-as.
Affected configurations
Node
webassemblybinaryenMatch1.38.26
| Vendor | Product | Version | CPE |
|---|---|---|---|
| webassembly | binaryen | 1.38.26 | cpe:2.3:a:webassembly:binaryen:1.38.26:*:*:*:*:*:*:* |
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cvelist
cvelist
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CVSS3
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS
0.001
Percentile
27.2%
Related for NVD:CVE-2020-18378