Vulnerability Monitor

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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, 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.

Published

2012-10-29T20:55:01.103

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.1 (HIGH)

CVSSv2 Vector

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

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

8.6

Impact Score

6.9

Weaknesses
  • Type: Primary
    CWE-399
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco adaptive_security_appliance_software 7.0 Yes
Operating System cisco adaptive_security_appliance_software 7.0\(0\) Yes
Operating System cisco adaptive_security_appliance_software 7.0\(1\) Yes
Operating System cisco adaptive_security_appliance_software 7.0\(2\) Yes
Operating System cisco adaptive_security_appliance_software 7.0\(4\) Yes
Operating System cisco adaptive_security_appliance_software 7.0\(5\) Yes
Operating System cisco adaptive_security_appliance_software 7.0\(5.2\) Yes
Operating System cisco adaptive_security_appliance_software 7.1 Yes
Operating System cisco adaptive_security_appliance_software 7.1\(2\) Yes
Operating System cisco adaptive_security_appliance_software 7.1\(2.5\) Yes
Operating System cisco adaptive_security_appliance_software 7.1\(2.27\) Yes
Operating System cisco adaptive_security_appliance_software 7.1\(2.48\) Yes
Operating System cisco adaptive_security_appliance_software 7.1\(2.49\) Yes
Operating System cisco adaptive_security_appliance_software 7.1\(5\) Yes
Operating System cisco adaptive_security_appliance_software 7.2 Yes
Operating System cisco adaptive_security_appliance_software 7.2\(1\) Yes
Operating System cisco adaptive_security_appliance_software 7.2\(1.22\) Yes
Operating System cisco adaptive_security_appliance_software 7.2\(2\) Yes
Operating System cisco adaptive_security_appliance_software 7.2\(2.5\) Yes
Operating System cisco adaptive_security_appliance_software 7.2\(2.7\) Yes
Operating System cisco adaptive_security_appliance_software 7.2\(2.8\) Yes
Operating System cisco adaptive_security_appliance_software 7.2\(2.10\) Yes
Operating System cisco adaptive_security_appliance_software 7.2\(2.14\) Yes
Operating System cisco adaptive_security_appliance_software 7.2\(2.15\) Yes
Operating System cisco adaptive_security_appliance_software 7.2\(2.16\) Yes
Operating System cisco adaptive_security_appliance_software 7.2\(2.17\) Yes
Operating System cisco adaptive_security_appliance_software 7.2\(2.18\) Yes
Operating System cisco adaptive_security_appliance_software 7.2\(2.19\) Yes
Operating System cisco adaptive_security_appliance_software 7.2\(2.48\) Yes
Operating System cisco adaptive_security_appliance_software 7.2\(3\) Yes
Operating System cisco adaptive_security_appliance_software 7.2\(4\) Yes
Operating System cisco adaptive_security_appliance_software 7.2\(5\) Yes
Operating System cisco adaptive_security_appliance_software 8.0 Yes
Operating System cisco adaptive_security_appliance_software 8.0\(2\) Yes
Operating System cisco adaptive_security_appliance_software 8.0\(3\) Yes
Operating System cisco adaptive_security_appliance_software 8.0\(4\) Yes
Operating System cisco adaptive_security_appliance_software 8.0\(5\) Yes
Operating System cisco adaptive_security_appliance_software 8.1 Yes
Operating System cisco adaptive_security_appliance_software 8.2 Yes
Operating System cisco adaptive_security_appliance_software 8.2\(1\) Yes
Operating System cisco adaptive_security_appliance_software 8.2\(2\) Yes
Operating System cisco adaptive_security_appliance_software 8.2\(3\) Yes
Operating System cisco adaptive_security_appliance_software 8.2\(3.9\) Yes
Operating System cisco adaptive_security_appliance_software 8.2\(4\) Yes
Operating System cisco adaptive_security_appliance_software 8.2\(4.1\) Yes
Operating System cisco adaptive_security_appliance_software 8.2\(4.4\) Yes
Operating System cisco adaptive_security_appliance_software 8.2\(5\) Yes
Operating System cisco adaptive_security_appliance_software 8.3\(1\) Yes
Operating System cisco adaptive_security_appliance_software 8.3\(2\) Yes
Operating System cisco adaptive_security_appliance_software 8.4 Yes
Operating System cisco adaptive_security_appliance_software 8.4\(1\) Yes
Operating System cisco adaptive_security_appliance_software 8.4\(1.11\) Yes
Operating System cisco adaptive_security_appliance_software 8.4\(2\) Yes
Operating System cisco adaptive_security_appliance_software 8.4\(2.11\) Yes
Operating System cisco adaptive_security_appliance_software 8.5 Yes
Operating System cisco adaptive_security_appliance_software 8.5\(1\) Yes
Operating System cisco adaptive_security_appliance_software 8.5\(1.4\) Yes
Operating System cisco adaptive_security_appliance_software 8.6 Yes
Operating System cisco adaptive_security_appliance_software 8.6\(1\) Yes
Hardware cisco 5500_series_adaptive_security_appliance * Yes
Hardware cisco catalyst_6500 * Yes
Hardware cisco catalyst_6503-e - Yes
Hardware cisco catalyst_6504-e - Yes
Hardware cisco catalyst_6506-e - Yes
Hardware cisco catalyst_6509-e - Yes
Hardware cisco catalyst_6509-neb-a - Yes
Hardware cisco catalyst_6509-v-e - Yes
Hardware cisco catalyst_6513 - Yes
Hardware cisco catalyst_6513-e - Yes
References