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Denial of service in Netty

Moderate severity GitHub Reviewed Published Jun 30, 2020 to the GitHub Advisory Database • Updated Jan 9, 2023

Package

maven io.netty:netty-handler (Maven)

Affected versions

< 3.9.2

Patched versions

3.9.2

Description

The SslHandler in Netty before 3.9.2 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a crafted SSLv2Hello message.

References

Reviewed Jun 30, 2020
Published to the GitHub Advisory Database Jun 30, 2020
Last updated Jan 9, 2023

Severity

Moderate

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(74th percentile)

Weaknesses

Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data. Learn more on MITRE.

CVE ID

CVE-2014-3488

GHSA ID

GHSA-9959-6p3m-wxpc

Source code

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