NetSight
high7.1

CVE-2012-4643

The DHCP server on Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services Module (ASASM) in Cisco Catalyst 6500 series devices, wit…

Impact

The 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.

Affected products

VendorProductAffected versions
CiscoAdaptive Security Appliance Software
Versions 7.0, 7.0\(0\), 7.0\(1\), 7.0\(2\), 7.0\(4\), 7.0\(5\)
Cisco5500 Series Adaptive Security Appliance
All versions
CiscoCatalyst 6500
All versions
CiscoCatalyst 6503-E
All versions
CiscoCatalyst 6504-E
All versions
CiscoCatalyst 6506-E
All versions
CiscoCatalyst 6509-E
All versions
CiscoCatalyst 6509-Neb-A
All versions
CiscoCatalyst 6509-V-E
All versions
CiscoCatalyst 6513
All versions
CiscoCatalyst 6513-E
All versions

Weakness classification

References