Vulnerability identifier: #VU82202

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-2023-7250

CWE-ID: CWE-399

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
iperf
Other software / Other software solutions

Vendor: ESnet

Description

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

The vulnerability exists due to improper management of internal resources within the application. A remote malicious client can initiate the connection with the server sending it less data than expected and block the iperf server from servicing other clients.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

iperf: 3.0.1 - 3.14

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External links
http://bugzilla.redhat.com/show_bug.cgi?id=2244708
http://bugs.launchpad.net/ubuntu/+source/iperf3/+bug/2038654
http://downloads.es.net/pub/iperf/esnet-secadv-2023-0002.txt.asc
http://bugzilla.redhat.com/show_bug.cgi?id=2244707

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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.