CVE Catalog

CVE-2005-4258

High
Published: Translated: NVD NIST

Summary

Unspecified Cisco Catalyst Switches are vulnerable to a denial of service (DoS) attack via an IP packet with the same source and destination IPs and ports, with the SYN flag set (aka LanD attack). This attack causes a device crash.

Risk Assessment

The risk involves the possibility of remotely causing a switch crash, leading to network disruption and loss of service availability for the organization.

Recommendation

It is recommended to update the Cisco Catalyst switch software to the latest version and implement anti-spoofing filters and firewall rules to block packets with identical source and destination addresses.

Related vulnerabilities

Original NVD description (English source)

Unspecified Cisco Catalyst Switches allow remote attackers to cause a denial of service (device crash) via an IP packet with the same source and destination IPs and ports, and with the SYN flag set (aka LanD). NOTE: the provenance of this issue is unknown; the details are obtained solely from the BID.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS