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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.
Publish Date : 2018-10-10 Last Update Date : 2019-10-09
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CVSS Scores & Vulnerability Types
| CVSS Score |
4.0 |
| Confidentiality Impact |
None
(There is no impact to the confidentiality of the system.) |
| Integrity Impact |
None
(There is no impact to the integrity of the system) |
| Availability Impact |
Partial
(There is reduced performance or interruptions in resource availability.) |
| Access Complexity |
Low
(Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. ) |
| Authentication |
Single system
(The vulnerability requires an attacker to be logged into the system (such as at a command line or via a desktop session or web interface).) |
| Gained Access |
None |
| Vulnerability Type(s) |
Overflow |
| CWE ID |
119 |
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Products Affected By CVE-2018-12541
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Number Of Affected Versions By Product
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References For CVE-2018-12541
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Metasploit Modules Related To CVE-2018-12541
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