Vulnerability identifier: #VU78695

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-38403

CWE-ID: CWE-190

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 integer overflow. A remote attacker can pass specially crafted length field to the application, trigger an integer overflow and perform a denial of service (DoS0 attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

iperf: 3.0.1 - 3.13

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External links
http://github.com/esnet/iperf/commit/0ef151550d96cc4460f98832df84b4a1e87c65e9
http://bugs.debian.org/1040830
http://github.com/esnet/iperf/issues/1542
http://downloads.es.net/pub/iperf/esnet-secadv-2023-0001.txt.asc
http://cwe.mitre.org/data/definitions/130.html
http://lists.debian.org/debian-lts-announce/2023/07/msg00025.html

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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.