CVE-2023-42809

CVSS 3.1 Score 9.6 of 10 (high)

Details

Published Oct 4, 2023
Updated: Oct 10, 2023
CWE ID 502

Summary

CVE-2023-42809, also known as Redisson vulnerability, affects the Redisson Java Redis client prior to version 3.22.0. The vulnerability allows attackers to execute arbitrary code by tricking clients into communicating with a malicious server that includes specially crafted objects in its responses. This can lead to the compromise of the machine running the client. To remediate this vulnerability, users are advised not to use the `Kryo5Codec` as a deserialization codec, as it is still vulnerable. Instead, it is recommended to use `KryoCodec`. Version 3.22.0 of Redisson contains a patch for this issue. The CVE has a base severity rating of CRITICAL with high impact on integrity and confidentiality and requires user interaction over a network connection for exploitation.

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