Possible DOS vulnerabilities in C# Avro SDK
CVE-2021-43045

7.5HIGH

Key Information:

Vendor

Apache
Status
Apache Avro
Vendor
CVE Published:
6 January 2022

What is CVE-2021-43045?

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.

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Affected Version(s)

Apache Avro .NET Apache Avro <= 1.10.2

References

https://lists.apache.org/thread/5fttw9vk6gd2p3b846nox7hcj...
x_refsource_MISC
http://www.openwall.com/lists/oss-security/2022/01/06/8
mailing-listx_refsource_MLIST

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Apache Avro would like to thank Philip Sanetra for reporting this issue.
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