Vulnerability identifier: #VU59280

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-43045

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Apache Avro
Server applications / Database software

Vendor: Apache Foundation

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to .NET SDK of Apache Avro does not properly control consumption of internal resources. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apache Avro: 1.0.0 - 1.10.2

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External links
http://lists.apache.org/thread/5fttw9vk6gd2p3b846nox7hcj5469xfd

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.