CVE-2018-12541
Medium
Description
In version from 3.0.0 to 3.5.3 of Eclipse Vert.x, the WebSocket HTTP upgrade implementation buffers the full http request before doing the handshake, holding the entire request body in memory. There should be a reasonnable limit (8192 bytes) above which the WebSocket gets an HTTP response with the 413 status code and the connection gets closed.
SeverityMedium
CVSS6.5
Exploit probability—
ProductEclipse Vert.x
PublishedOct 10, 2018
First seenOct 10, 2018
Weakness typeCWE-789CWE-789
How to fix
Update
- eclipse vert.x3.5.4 or later
- io.vertx:vertx-core3.5.4 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| eclipse vert.x | 3.0.0 ≤ v < 3.5.4 | 3.5.4 |
| io.vertx:vertx-coreMaven | 3.0.0 ≤ v < 3.5.4 | 3.5.4 |
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