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CVE-2020-11612

CVE information

Published

4 years ago

Last Modified

5 months ago

CVSSv2.0 Severity

Medium

CVSSv3.1 Severity

High

Impact Analysis

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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..

CVSSv2.0 Score

Severity
Medium
Base Score
5/10
Exploit Score
10/10
Access Vector
Network
Access Complexity
Low
Authentication Required
None
Impact Score
2.9/10
Confidentiality Impact
None
Availability Impact
Partial
Integrity Impact
None

CVSSv3.1 Score

Severity
High
Base Score
7.5/10
Exploit Score
3.9/10
Access Vector
Network
Access Complexity
Low
Privileges Required
None
Impact Score
3.6/10
Confidentiality Impact
None
Availability Impact
High
Integrity Impact
None
Scope
Unchanged
User Interaction
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:a:netty:netty:*:*:*:*:*:*:*:*
  Yes
4.1 4.1.46
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:netapp:oncommand_api_services:-:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:oracle:webcenter_portal:12.2.1.3.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:oracle:webcenter_portal:12.2.1.4.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:oracle:nosql_database:*:*:*:*:*:*:*:*
  Yes
- 20.3
cpe:2.3:o:oracle:communications_messaging_server:8.1:*:*:*:*
  Yes
- -
cpe:2.3:a:oracle:communications_design_studio:7.4.2:*:*:*:*:
  Yes
- -
cpe:2.3:a:oracle:communications_brm_-_elastic_charging_engin
  Yes
- -
cpe:2.3:a:oracle:communications_cloud_native_core_service_co
  Yes
- -
cpe:2.3:a:oracle:siebel_core_-_server_framework:*:*:*:*:*:*:
  Yes
- 21.5

References