Denial of service in iperf

1) Resource management error

EUVDB-ID: #VU82202

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-7250

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

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

CPE2.3

• cpe:2.3:a:esnet:iperf:3.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:esnet:iperf:3.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:esnet:iperf:3.0.3:*:*:*:*:*:*:*

External links

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

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.