PT-2012-4057 · Cisco · Cisco Nx-Os

Published 2012-08-06 · Updated 2013-03-23 · CVE-2012-2469

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Cisco NX-OS versions 4.2, 5.0, 5.1, and 5.2 on Nexus 7000 series switches

Description The issue allows remote attackers to cause a denial of service, resulting in a device reset, by sending a malformed Cisco Discovery Protocol (CDP) packet when the High Availability (HA) policy is configured for Reset.

Recommendations For Cisco NX-OS versions 4.2, 5.0, 5.1, and 5.2, consider disabling the High Availability (HA) policy for Reset or restricting access to the Cisco Discovery Protocol (CDP) until a patch is available.

Fix

Related Identifiers

CVE-2012-2469

Affected Products

Cisco Nx-Os

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2012-2469 · Security Note
• http://cisco.com/en/US/docs/switches/datacenter/sw/5_x/nx-os/release/notes/52_nx-os_release_note.html · Vendor Advisory
• http://4salesbyself.com/troubleshooting-random-nexus-reboots.aspx · Note
• http://securitytracker.com/id?1027352 · Note