PT-2012-3203 · Cisco · Cisco Nexus 5000

Published 2012-08-06 · Updated 2012-08-07 · CVE-2012-1357

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Cisco Nexus 5000 series switches NX-OS versions 5.0 through 5.1

Description The issue is related to the igmp snoop orib fill source update function in the IGMP process, which allows remote attackers to cause a denial of service, resulting in a device reload, via IGMP packets.

Recommendations For NX-OS versions 5.0 through 5.1, consider disabling the IGMP process as a temporary workaround until a patch is available. Restrict access to the IGMP packets to minimize the risk of exploitation.

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2012-1357

Affected Products

Cisco Nexus 5000

References · 2

• http://cisco.com/en/US/docs/switches/datacenter/nexus5000/sw/release/notes/Rel_5_1_3_N1_1/Nexus5000_Release_Notes_5_1_3_N1.pdf · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2012-1357 · Security Note