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CVE-2021-43045

Good to know:

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Date: January 6, 2022

A vulnerability in the .NET SDK of Apache Avro allows an attacker to allocate excessive resources, potentially causing a denial-of-service attack. This issue affects .NET applications using Apache Avro version 1.10.2 and prior versions. Users should update to version 1.11.0 which addresses this issue.

Language: C#

Severity Score

Related Resources (8)

https://github.com/apache/avro/pull/1357
https://issues.apache.org/jira/browse/AVRO-3225
https://github.com/apache/avro
https://issues.apache.org/jira/browse/AVRO-3226
http://www.openwall.com/lists/oss-security/2022/01/06/8
https://nvd.nist.gov/vuln/detail/CVE-2021-43045
https://lists.apache.org/thread/5fttw9vk6gd2p3b846nox7hcj5469xfd
https://www.mend.io/vulnerability-database/CVE-2021-43045

Severity Score

Weakness Type (CWE)

Allocation of Resources Without Limits or Throttling

CWE-770

Top Fix

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Upgrade Version

Upgrade to version apache.avro - 1.11.0

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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