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Debian Security Bug TrackerDEBIANCVE:CVE-2020-18378HistoryAug 22, 2023 - 7:15 p.m.
CVE-2020-18378
2023-08-2219:15:55
Debian Security Bug Tracker
security-tracker.debian.org
6
cve-2020-18378
sexpressionwasmbuilder
makeblock
wasm input
segmentation fault
denial-of-service
binaryen 1.38.26
unix
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.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 12 | all | binaryen | < 68-1 | binaryen_68-1_all.deb |
| Debian | 11 | all | binaryen | < 68-1 | binaryen_68-1_all.deb |
| Debian | 999 | all | binaryen | < 68-1 | binaryen_68-1_all.deb |
| Debian | 13 | all | binaryen | < 68-1 | binaryen_68-1_all.deb |
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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
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EPSS
0.001
Percentile
27.2%
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