Tracker / CVE-2012-4643
CVE-2012-4643
High 7.1
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 and versions
| cisco | 5500_series_adaptive_security_appliance |
|---|---|
| cisco | adaptive_security_appliance_software |
| cisco | catalyst_6500 |
| cisco | catalyst_6503-e |
| cisco | catalyst_6504-e |
| cisco | catalyst_6506-e |
| cisco | catalyst_6509-e |
| cisco | catalyst_6509-neb-a |
| cisco | catalyst_6509-v-e |
| cisco | catalyst_6513 |
| cisco | catalyst_6513-e |
Analysis
This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.