CVE-2012-4643

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Summary

CVECVE-2012-4643
StatePUBLISHED
Assignercisco
Source PriorityCVE Program / NVD first with legacy fallback
Published2012-10-29 20:55:01 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionThe DHCP server on Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services Module (ASASM) in Cisco Catalyst 6500 series devices, with software 7.0 before 7.2(5.8), 7.1 before 7.2(5.8), 7.2 before 7.2(5.8), 8.0 before 8.0(5.28), 8.1 before 8.1(2.56), 8.2 before 8.2(5.27), 8.3 before 8.3(2.31), 8.4 before 8.4(3.10), 8.5 before 8.5(1.9), and 8.6 before 8.6(1.5) does not properly allocate memory for DHCP packets, which allows remote attackers to cause a denial of service (device reload) via a series of crafted IPv4 packets, aka Bug ID CSCtw84068.

Risk And Classification

Primary CVSS: v2.0 7.1 from [email protected]

AV:N/AC:M/Au:N/C:N/I:N/A:C

Problem Types: CWE-399 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete

AV:N/AC:M/Au:N/C:N/I:N/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Cisco 5500 Series Adaptive Security Appliance All All All All
Operating System Cisco Adaptive Security Appliance Software 7.0 All All All
Operating System Cisco Adaptive Security Appliance Software 7.0\(0\) All All All
Operating System Cisco Adaptive Security Appliance Software 7.0\(1\) All All All
Operating System Cisco Adaptive Security Appliance Software 7.0\(2\) All All All
Operating System Cisco Adaptive Security Appliance Software 7.0\(4\) All All All
Operating System Cisco Adaptive Security Appliance Software 7.0\(5.2\) All All All
Operating System Cisco Adaptive Security Appliance Software 7.0\(5\) All All All
Operating System Cisco Adaptive Security Appliance Software 7.1 All All All
Operating System Cisco Adaptive Security Appliance Software 7.1\(2.27\) All All All
Operating System Cisco Adaptive Security Appliance Software 7.1\(2.48\) All All All
Operating System Cisco Adaptive Security Appliance Software 7.1\(2.49\) All All All
Operating System Cisco Adaptive Security Appliance Software 7.1\(2.5\) All All All
Operating System Cisco Adaptive Security Appliance Software 7.1\(2\) All All All
Operating System Cisco Adaptive Security Appliance Software 7.1\(5\) All All All
Operating System Cisco Adaptive Security Appliance Software 7.2 All All All
Operating System Cisco Adaptive Security Appliance Software 7.2\(1.22\) All All All
Operating System Cisco Adaptive Security Appliance Software 7.2\(1\) All All All
Operating System Cisco Adaptive Security Appliance Software 7.2\(2.10\) All All All
Operating System Cisco Adaptive Security Appliance Software 7.2\(2.14\) All All All
Operating System Cisco Adaptive Security Appliance Software 7.2\(2.15\) All All All
Operating System Cisco Adaptive Security Appliance Software 7.2\(2.16\) All All All
Operating System Cisco Adaptive Security Appliance Software 7.2\(2.17\) All All All
Operating System Cisco Adaptive Security Appliance Software 7.2\(2.18\) All All All
Operating System Cisco Adaptive Security Appliance Software 7.2\(2.19\) All All All
Operating System Cisco Adaptive Security Appliance Software 7.2\(2.48\) All All All
Operating System Cisco Adaptive Security Appliance Software 7.2\(2.5\) All All All
Operating System Cisco Adaptive Security Appliance Software 7.2\(2.7\) All All All
Operating System Cisco Adaptive Security Appliance Software 7.2\(2.8\) All All All
Operating System Cisco Adaptive Security Appliance Software 7.2\(2\) All All All
Operating System Cisco Adaptive Security Appliance Software 7.2\(3\) All All All
Operating System Cisco Adaptive Security Appliance Software 7.2\(4\) All All All
Operating System Cisco Adaptive Security Appliance Software 7.2\(5\) All All All
Operating System Cisco Adaptive Security Appliance Software 8.0 All All All
Operating System Cisco Adaptive Security Appliance Software 8.0\(2\) All All All
Operating System Cisco Adaptive Security Appliance Software 8.0\(3\) All All All
Operating System Cisco Adaptive Security Appliance Software 8.0\(4\) All All All
Operating System Cisco Adaptive Security Appliance Software 8.0\(5\) All All All
Operating System Cisco Adaptive Security Appliance Software 8.1 All All All
Operating System Cisco Adaptive Security Appliance Software 8.2 All All All
Operating System Cisco Adaptive Security Appliance Software 8.2\(1\) All All All
Operating System Cisco Adaptive Security Appliance Software 8.2\(2\) All All All
Operating System Cisco Adaptive Security Appliance Software 8.2\(3.9\) All All All
Operating System Cisco Adaptive Security Appliance Software 8.2\(3\) All All All
Operating System Cisco Adaptive Security Appliance Software 8.2\(4.1\) All All All
Operating System Cisco Adaptive Security Appliance Software 8.2\(4.4\) All All All
Operating System Cisco Adaptive Security Appliance Software 8.2\(4\) All All All
Operating System Cisco Adaptive Security Appliance Software 8.2\(5\) All All All
Operating System Cisco Adaptive Security Appliance Software 8.3\(1\) All All All
Operating System Cisco Adaptive Security Appliance Software 8.3\(2\) All All All
Operating System Cisco Adaptive Security Appliance Software 8.4 All All All
Operating System Cisco Adaptive Security Appliance Software 8.4\(1.11\) All All All
Operating System Cisco Adaptive Security Appliance Software 8.4\(1\) All All All
Operating System Cisco Adaptive Security Appliance Software 8.4\(2.11\) All All All
Operating System Cisco Adaptive Security Appliance Software 8.4\(2\) All All All
Operating System Cisco Adaptive Security Appliance Software 8.5 All All All
Operating System Cisco Adaptive Security Appliance Software 8.5\(1.4\) All All All
Operating System Cisco Adaptive Security Appliance Software 8.5\(1\) All All All
Operating System Cisco Adaptive Security Appliance Software 8.6 All All All
Operating System Cisco Adaptive Security Appliance Software 8.6\(1\) All All All
Hardware Cisco Catalyst 6500 All All All All
Hardware Cisco Catalyst 6503-e - All All All
Hardware Cisco Catalyst 6504-e - All All All
Hardware Cisco Catalyst 6506-e - All All All
Hardware Cisco Catalyst 6509-e - All All All
Hardware Cisco Catalyst 6509-neb-a - All All All
Hardware Cisco Catalyst 6509-v-e - All All All
Hardware Cisco Catalyst 6513 - All All All
Hardware Cisco Catalyst 6513-e - All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Cisco ASA 5500 Series and Cisco Catalyst 6500 Series DHCP Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Cisco Security Advisory: Multiple Vulnerabilities in Cisco ASA 5500 Series Adaptive Security Appliances and Cisco Catalyst 6500 Series ASA Services Module af854a3a-2127-422b-91ae-364da2661108 tools.cisco.com Vendor Advisory
osvdb.org/86145 af854a3a-2127-422b-91ae-364da2661108 osvdb.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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