PT-2012-5524 · Cisco · Cisco Ios

Published 2012-09-26 · Updated 2013-02-14 · CVE-2012-4621

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 IOS versions 15.0 through 15.2

Description The issue allows remote attackers to cause a denial of service (device reload) via a DHCP packet. An attacker could exploit this by sending a single DHCP packet to or through an affected device, causing the device to reload.

Recommendations For versions 15.0 through 15.2, update to a version that addresses this issue, as software updates have been released by Cisco. As a temporary workaround, consider implementing the mitigation steps outlined in the Cisco Security Advisory to minimize the risk of exploitation.

Fix

DoS

Weakness Enumeration

CWE-399

Related Identifiers

CVE-2012-4621

Affected Products

Cisco Ios

References · 4

• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-dhcp · Vendor Advisory
• http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-dhcp · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2012-4621 · Security Note
• http://securitytracker.com/id?1027572 · Note