CVE-2024-1300 Io.vertx:vertx-core: memory leak when a tcp server is configured with tls and sni support

2024-04-0207:33:05

CWE-400

redhat

www.cve.org

vulnerability

eclipse vert.x

memory leak

tcp servers

tls

sni support

ssl context

memory exhaustion

attackers

jvm out-of-memory

cve-2024-1300

io.vertx

vertx-core

5.4 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L

5.5 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

13.0%

JSON

A vulnerability in the Eclipse Vert.x toolkit causes a memory leak in TCP servers configured with TLS and SNI support. When processing an unknown SNI server name assigned the default certificate instead of a mapped certificate, the SSL context is erroneously cached in the server name map, leading to memory exhaustion. This flaw allows attackers to send TLS client hello messages with fake server names, triggering a JVM out-of-memory error.

CNA Affected

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