PT-2012-5523 · Cisco · Cisco Ios

Published 2012-09-26 · Updated 2017-08-29 · CVE-2012-4620

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 12.2 and 15.0 through 15.2 on Cisco 10000 series routers

Description The issue allows remote attackers to cause a denial of service via tunneled packets, including GRE/IP, IPIP, or IPv6 in IPv4 packets. Successful exploitation may prevent traffic from transiting the affected interfaces.

Recommendations For Cisco IOS versions 12.2 and 15.0 through 15.2, update to a newer version that addresses this issue, as Cisco has released software updates to fix the vulnerability. At the moment, there is no information about a newer version that contains a fix for this vulnerability, other than the general statement that Cisco has released software updates that address this vulnerability.

Fix

DoS

Weakness Enumeration

CWE-399

Related Identifiers

CVE-2012-4620

Affected Products

Cisco Ios

References · 6

• http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-c10k-tunnels · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2012-4620 · Security Note
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-c10k-tunnels · Vendor Advisory
• http://securityfocus.com/bid/55696 · Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/78883 · Note
• http://securitytracker.com/id?1027578 · Note