SB2025122325 - Multiple DoS vulnerabilities in Elastic Packetbeat

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Resource exhaustion (CVE-ID: CVE-2025-68388)

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

The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can send specially crafted IPv4 packets to trigger resource exhaustion and perform a denial of service (DoS) attack.

2) Out-of-bounds write (CVE-ID: CVE-2025-68381)

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

The vulnerability exists due to a boundary error when processing UDP packets. A remote attacker can send specially crafted UDP packets over the network, trigger an out-of-bounds write and perform a denial of service (DoS) attack. 

3) Out-of-bounds read (CVE-ID: CVE-2025-68382)

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

The vulnerability exists due to a boundary condition within the NFS protocol dissector when handling truncated XDR-encoded RPC messages. A remote attacker can send specially crafted traffic over the network, trigger an out-of-bounds read error and perform a denial of service attack. 

Remediation

Install update from vendor's website.

References

• https://discuss.elastic.co/t/packetbeat-8-19-9-9-1-9-and-9-2-3-security-update-esa-2025-29/384177
• https://discuss.elastic.co/t/packetbeat-8-19-9-9-1-9-and-9-2-3-security-update-esa-2025-30/384178
• https://discuss.elastic.co/t/packetbeat-8-19-9-9-1-9-and-9-2-3-security-update-esa-2025-31/384179