CVE-2012-4623
high
CVSS v3
—
CVSS v2
7.8
VIR risk
7.8
Description
The DHCPv6 server in Cisco IOS 12.2 through 12.4 and 15.0 through 15.2 and IOS XE 2.1.x through 2.6.x, 3.1.xS before 3.1.4S, 3.1.xSG and 3.2.xSG before 3.2.5SG, 3.2.xS, 3.2.xXO, 3.3.xS, and 3.3.xSG before 3.3.1SG allows remote attackers to cause a denial of service (device reload) via a malformed DHCPv6 packet, aka Bug ID CSCto57723.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: psirt@cisco.com — http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-dhcpv6
References
- http://osvdb.org/85810
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-dhcpv6
- http://www.securityfocus.com/bid/55700
- http://www.securitytracker.com/id?1027577
- https://exchange.xforce.ibmcloud.com/vulnerabilities/78885
- http://osvdb.org/85810
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-dhcpv6
- http://www.securityfocus.com/bid/55700
- http://www.securitytracker.com/id?1027577
- https://exchange.xforce.ibmcloud.com/vulnerabilities/78885
CWEs
CWE-20
Verify integrity in audit chain (admin only). AS-IS.