#VU82202 Resource management error in iperf - CVE-2023-7250

Vulnerability identifier: #VU82202

Vulnerability 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

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

---

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.