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.
References
Link Providers
https://access.redhat.com/errata/RHSA-2018:2946 cve-icon cve-icon
https://bugs.eclipse.org/bugs/show_bug.cgi?id=539170 cve-icon cve-icon
https://github.com/eclipse-vertx/vert.x/issues/2648 cve-icon cve-icon
https://lists.apache.org/thread.html/r01123837ffbfdf5809e0a4ac354ad546e4ca8f18df89ee5a10eeb81b%40%3Cissues.bookkeeper.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r11789cd6d67ecca2d6f6bbb11e34495e68ee99287b6c59edf5b1a09c%40%3Ccommits.pulsar.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r1af71105539fe01fcecb92d2ecd8eea56c515fb1c80ecab4df424553%40%3Cissues.bookkeeper.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r344235b1aea2f7fa2381495df1d77d02b595e3d7e4626e701f7c1062%40%3Ccommits.pulsar.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r362835e6c7f34324ed24e318b363fcdd20cea91d0cea0b2e1164f73e%40%3Cissues.bookkeeper.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r3da899890536af744dec897fbc561fd9810ac45e79a16164b53c31b2%40%3Ccommits.pulsar.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r79789a0afb184abd13a2c07016e6e7ab8e64331f332b630bf82a2eed%40%3Ccommits.pulsar.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r8db0431ecf93f2dd2128db5ddca897b33ba883b7f126648d6a9e4c47%40%3Ccommits.pulsar.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r98dc06e2b1c498d0e9eb5038d8e1aefd24e411e50522e7082dd9e0b7%40%3Ccommits.bookkeeper.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rbdc279ecdb7ac496a03befb05a53605c4ce2b67e14f8f4df4cfa1203%40%3Cissues.bookkeeper.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce7624d26%40%3Ccommits.pulsar.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/re5ddabee26fbcadc7254d03a5a073d64080a9389adc9e452529664ed%40%3Ccommits.pulsar.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/reb3cc4f3e10264896a541813c0030ec9d9466ba9b722fe5d4adc91cd%40%3Cissues.bookkeeper.apache.org%3E cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2018-12541 cve-icon
https://www.cve.org/CVERecord?id=CVE-2018-12541 cve-icon
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: eclipse

Published: 2018-10-10T20:00:00

Updated: 2024-08-05T08:38:06.089Z

Reserved: 2018-06-18T00:00:00

Link: CVE-2018-12541

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-10-10T20:29:00.380

Modified: 2023-11-07T02:52:20.177

Link: CVE-2018-12541

cve-icon Redhat

Severity : Moderate

Publid Date: 2018-10-03T00:00:00Z

Links: CVE-2018-12541 - Bugzilla