CVE-2021-43045: Possible DOS vulnerabilities in C# Avro SDK
First published: Thu Jan 06 2022(Updated: )
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.
Credit: security@apache.org security@apache.org security@apache.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| nuget/Apache.Avro | <1.11.0 | 1.11.0 |
| Apache Avro | <1.11.0 | |
| <1.11.0 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2021-43045
- https://lists.apache.org/thread/5fttw9vk6gd2p3b846nox7hcj5469xfd
- http://www.openwall.com/lists/oss-security/2022/01/06/8
- https://github.com/apache/avro/pull/1357
- https://issues.apache.org/jira/browse/AVRO-3225
- https://issues.apache.org/jira/browse/AVRO-3226
- https://github.com/advisories/GHSA-868x-rg4c-cjqg (Advisory)
Frequently Asked Questions
What is the vulnerability ID of this Apache Avro vulnerability?
The vulnerability ID is CVE-2021-43045.
What is the severity rating of CVE-2021-43045?
The severity rating of CVE-2021-43045 is high with a value of 7.5.
Which software versions are affected by CVE-2021-43045?
CVE-2021-43045 affects .NET applications using Apache Avro version 1.10.2 and prior versions.
How can I fix CVE-2021-43045?
To fix CVE-2021-43045, users should update to version 1.11.0 of Apache Avro.
Where can I find more information about CVE-2021-43045?
You can find more information about CVE-2021-43045 on the NVD website: https://nvd.nist.gov/vuln/detail/CVE-2021-43045
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