Uncontrolled Memory Allocation
Affecting io.netty:netty-codec artifact, versions [4.1.0.Final, 4.1.46.Final)
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Overview
io.netty:netty-codec is an event-driven asynchronous network application framework.
Affected versions of this package are vulnerable to Uncontrolled Memory Allocation while decoding a ZlibEncoded byte stream. An attacker could send a large ZlibEncoded byte stream to the Netty server, forcing the server to allocate all of its free memory to a single decoder.
Remediation
Upgrade io.netty:netty-codec
to version 4.1.46.Final or higher.
References
CVSS Score
8.2
high severity
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Attack VectorNetwork
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Attack ComplexityLow
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Privileges RequiredNone
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User InteractionNone
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ScopeUnchanged
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ConfidentialityNone
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IntegrityLow
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AvailabilityHigh
- Credit
- Scott Mitchell
- CVE
- CVE-2020-11612
- CWE
- CWE-789
- Snyk ID
- SNYK-JAVA-IONETTY-564897
- Disclosed
- 07 Apr, 2020
- Published
- 07 Apr, 2020