#VU89836 Information Exposure Through Timing Discrepancy in iperf - CVE-2024-26306

Vulnerability identifier: #VU89836

Vulnerability risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-26306

CWE-ID: CWE-208

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
iperf
Other software / Other software solutions

Vendor: ESnet

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to a timing side channel in RSA decryption operations. A remote attacker can send a large number of messages for decryption and recover credentials.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

iperf: 3.0.1 - 3.16

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External links
https://github.com/esnet/iperf/releases/tag/3.17
https://downloads.es.net/pub/iperf/esnet-secadv-2024-0001.txt.asc

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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.