CVE-2012-4643

Published: Oct 29, 2012Modified: Apr 29, 2026

7.1

Vector

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

Exploitability: 8.6 / Impact: 6.9

Source: NVD

Description

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 (69)

Products: Cisco: Adaptive Security Appliance Software, 5500 Series Adaptive Security Appliance, Catalyst 6500, Catalyst 6503 E, Catalyst 6504 E, Catalyst 6506 E, Catalyst 6509 E, Catalyst 6509 Neb A, Catalyst 6509 V E, Catalyst 6513, Catalyst 6513 E

Cisco

11 products

Adaptive Security Appliance Software

5500 Series Adaptive Security Appliance

Configuration A

69 vulnerable

Vulnerable Software	Affected Versions
Cisco Adaptive Security Appliance Software	Version 7.0
Cisco Adaptive Security Appliance Software	Version 7.0(0)
Cisco Adaptive Security Appliance Software	Version 7.0(1)
Cisco Adaptive Security Appliance Software	Version 7.0(2)
Cisco Adaptive Security Appliance Software	Version 7.0(4)
Cisco Adaptive Security Appliance Software	Version 7.0(5.2)
Cisco Adaptive Security Appliance Software	Version 7.0(5)
Cisco Adaptive Security Appliance Software	Version 7.1
Cisco Adaptive Security Appliance Software	Version 7.1(2.27)
Cisco Adaptive Security Appliance Software	Version 7.1(2.48)
Cisco Adaptive Security Appliance Software	Version 7.1(2.49)
Cisco Adaptive Security Appliance Software	Version 7.1(2.5)
Cisco Adaptive Security Appliance Software	Version 7.1(2)
Cisco Adaptive Security Appliance Software	Version 7.1(5)
Cisco Adaptive Security Appliance Software	Version 7.2
Cisco Adaptive Security Appliance Software	Version 7.2(1.22)
Cisco Adaptive Security Appliance Software	Version 7.2(1)
Cisco Adaptive Security Appliance Software	Version 7.2(2.10)
Cisco Adaptive Security Appliance Software	Version 7.2(2.14)
Cisco Adaptive Security Appliance Software	Version 7.2(2.15)
Cisco Adaptive Security Appliance Software	Version 7.2(2.16)
Cisco Adaptive Security Appliance Software	Version 7.2(2.17)
Cisco Adaptive Security Appliance Software	Version 7.2(2.18)
Cisco Adaptive Security Appliance Software	Version 7.2(2.19)
Cisco Adaptive Security Appliance Software	Version 7.2(2.48)
Cisco Adaptive Security Appliance Software	Version 7.2(2.5)
Cisco Adaptive Security Appliance Software	Version 7.2(2.7)
Cisco Adaptive Security Appliance Software	Version 7.2(2.8)
Cisco Adaptive Security Appliance Software	Version 7.2(2)
Cisco Adaptive Security Appliance Software	Version 7.2(3)
Cisco Adaptive Security Appliance Software	Version 7.2(4)
Cisco Adaptive Security Appliance Software	Version 7.2(5)
Cisco Adaptive Security Appliance Software	Version 8.0
Cisco Adaptive Security Appliance Software	Version 8.0(2)
Cisco Adaptive Security Appliance Software	Version 8.0(3)
Cisco Adaptive Security Appliance Software	Version 8.0(4)
Cisco Adaptive Security Appliance Software	Version 8.0(5)
Cisco Adaptive Security Appliance Software	Version 8.1
Cisco Adaptive Security Appliance Software	Version 8.2
Cisco Adaptive Security Appliance Software	Version 8.2(1)
Cisco Adaptive Security Appliance Software	Version 8.2(2)
Cisco Adaptive Security Appliance Software	Version 8.2(3.9)
Cisco Adaptive Security Appliance Software	Version 8.2(3)
Cisco Adaptive Security Appliance Software	Version 8.2(4.1)
Cisco Adaptive Security Appliance Software	Version 8.2(4.4)
Cisco Adaptive Security Appliance Software	Version 8.2(4)
Cisco Adaptive Security Appliance Software	Version 8.2(5)
Cisco Adaptive Security Appliance Software	Version 8.3(1)
Cisco Adaptive Security Appliance Software	Version 8.3(2)
Cisco Adaptive Security Appliance Software	Version 8.4
Cisco Adaptive Security Appliance Software	Version 8.4(1.11)
Cisco Adaptive Security Appliance Software	Version 8.4(1)
Cisco Adaptive Security Appliance Software	Version 8.4(2.11)
Cisco Adaptive Security Appliance Software	Version 8.4(2)
Cisco Adaptive Security Appliance Software	Version 8.5
Cisco Adaptive Security Appliance Software	Version 8.5(1.4)
Cisco Adaptive Security Appliance Software	Version 8.5(1)
Cisco Adaptive Security Appliance Software	Version 8.6
Cisco Adaptive Security Appliance Software	Version 8.6(1)
Cisco 5500 Series Adaptive Security Appliance	All versions
Cisco Catalyst 6500	All versions
Cisco Catalyst 6503 E	All versions
Cisco Catalyst 6504 E	All versions
Cisco Catalyst 6506 E	All versions
Cisco Catalyst 6509 E	All versions
Cisco Catalyst 6509 Neb A	All versions
Cisco Catalyst 6509 V E	All versions
Cisco Catalyst 6513	All versions
Cisco Catalyst 6513 E	All versions