SB2025081257 - SUSE update for iperf

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Off-by-one (CVE-ID: CVE-2025-54349)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to an off-by-one error in iperf_auth.c. A remote attacker can trigger an off-by-one error and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

2) Reachable assertion (CVE-ID: CVE-2025-54350)

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

The vulnerability exists due to a reachable assertion in iperf_auth.c. A remote attacker can perform a denial of service (DoS) attack.

3) Buffer overflow (CVE-ID: CVE-2025-54351)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary  when --skip-rx-copy is used (for MSG_TRUNC in recv). A remote attacker can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Remediation

Install update from vendor's website.

References

• https://www.suse.com/support/update/announcement/2025/suse-su-202502749-1/