Description
The ZlibDecoders in Netty 4.1.x before 4.1.46 allow for unbounded 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.
CVSS Metrics
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- network
- Complexity
- low
- Privileges
- none
- User Action
- none
- Scope
- unchanged
- Confidentiality
- none
- Integrity
- none
- Availability
- high
- Weaknesses
- CWE-770
Metadata
- Primary Vendor
- NETTY
- Published
- 4/7/2020
- Last Modified
- 11/21/2024
- Source
- NIST NVD
- Note: Verify all details with official vendor sources before applying patches.
Affected Products
netty : nettydebian : debian_linuxdebian : debian_linuxfedoraproject : fedoranetapp : oncommand_api_servicesnetapp : oncommand_insightnetapp : oncommand_workflow_automationoracle : communications_brm_-_elastic_charging_engineoracle : communications_cloud_native_core_service_communication_proxyoracle : communications_design_studiooracle : nosql_databaseoracle : siebel_core_-_server_frameworkoracle : webcenter_portaloracle : webcenter_portaloracle : communications_messaging_server
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