National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2012-4620 Detail

Current Description

Cisco IOS 12.2 and 15.0 through 15.2 on Cisco 10000 series routers, when a tunnel interface exists, allows remote attackers to cause a denial of service (interface queue wedge) via tunneled (1) GRE/IP, (2) IPIP, or (3) IPv6 in IPv4 packets, aka Bug ID CSCts66808.

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-c10k-tunnels Vendor Advisory
http://www.securityfocus.com/bid/55696
http://www.securitytracker.com/id?1027578
https://exchange.xforce.ibmcloud.com/vulnerabilities/78883

Technical Details

Vulnerability Type (View All)

  • Resource Management Errors (CWE-399)

Known Affected Software Configurations Switch to CPE 2.3

Configuration 1 ( hide )
 cpe:/h:cisco:10008_router
     Show Matching CPE(s)

Configuration 2 ( hide )
 cpe:/o:cisco:ios:12.2
     Show Matching CPE(s)
 cpe:/o:cisco:ios:15.0
     Show Matching CPE(s)
 cpe:/o:cisco:ios:15.0%281%29se
     Show Matching CPE(s)
 cpe:/o:cisco:ios:15.1
     Show Matching CPE(s)
 cpe:/o:cisco:ios:15.2
     Show Matching CPE(s)


Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2012-4620
NVD Published Date:
09/26/2012
NVD Last Modified:
08/28/2017