CVE-2012-4643

Cisco ASA Software DoS via DHCP Packet Memory Allocation

Title source: llm
STIX 2.1

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.

References (3)

Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/55861
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://osvdb.org/86145

Scores

EPSS 0.0153
EPSS Percentile 72.1%

Details

CWE
CWE-399
Status published
Products (50)
cisco/5500_series_adaptive_security_appliance
cisco/adaptive_security_appliance_software 7.0
cisco/adaptive_security_appliance_software 7.0\(0\)
cisco/adaptive_security_appliance_software 7.0\(1\)
cisco/adaptive_security_appliance_software 7.0\(2\)
cisco/adaptive_security_appliance_software 7.0\(4\)
cisco/adaptive_security_appliance_software 7.0\(5\)
cisco/adaptive_security_appliance_software 7.0\(5.2\)
cisco/adaptive_security_appliance_software 7.1
cisco/adaptive_security_appliance_software 7.1\(2\)
... and 40 more
Published Oct 29, 2012
Tracked Since Feb 18, 2026