7.1
HIGH
CVE-2012-4643
Cisco ASA DHCP Denial of Service Vulnerability
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.

INFO

Published Date :

Oct. 29, 2012, 8:55 p.m.

Last Modified :

Nov. 21, 2024, 1:43 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

6.9

Exploitability Score :

8.6
Affected Products

The following products are affected by CVE-2012-4643 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Cisco adaptive_security_appliance_software
2 Cisco catalyst_6500
3 Cisco 5500_series_adaptive_security_appliance
4 Cisco catalyst_6503-e
5 Cisco catalyst_6504-e
6 Cisco catalyst_6506-e
7 Cisco catalyst_6509-e
8 Cisco catalyst_6509-neb-a
9 Cisco catalyst_6509-v-e
10 Cisco catalyst_6513
11 Cisco catalyst_6513-e
: Total Affected Vendor : 1 | Products : 11
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2012-4643.

URL Resource
http://osvdb.org/86145
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20121010-asa Vendor Advisory
http://www.securityfocus.com/bid/55861
http://osvdb.org/86145
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20121010-asa Vendor Advisory
http://www.securityfocus.com/bid/55861

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2012-4643 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2012-4643 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://osvdb.org/86145
    Added Reference http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20121010-asa
    Added Reference http://www.securityfocus.com/bid/55861
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CPE Deprecation Remap by [email protected]

    Aug. 15, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:8.4:*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:8.4:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 15, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:8.4(1.11):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:8.4(1.11):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 15, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:8.4(2):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:8.4(2):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 15, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:8.4(1):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:8.4(1):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 15, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:8.4(2.11):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:8.4(2.11):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:8.2(4.4):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2(4.4):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:8.0(3):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0(3):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:8.2(3.9):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2(3.9):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:8.2:*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:8.2(1):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2(1):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:8.0(2):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0(2):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:8.0(4):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0(4):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:8.2(5):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2(5):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:8.3(1):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3(1):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:8.2(2):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2(2):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:8.3(2):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3(2):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:8.2(4.1):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2(4.1):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:8.2(3):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2(3):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:8.0(5):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0(5):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:8.1:*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:8.1:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:8.2(4):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2(4):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:8.0:*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:7.1(2.5):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:7.1(2.5):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:7.1(2.27):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:7.1(2.27):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:7.1(2.48):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:7.1(2.48):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:7.2(4):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2(4):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:7.2(2.48):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2(2.48):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:7.1:*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:7.1:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:7.2(1):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2(1):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:7.2(2.5):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2(2.5):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:7.2(2.8):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2(2.8):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:7.2(2.14):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2(2.14):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:7.2(5):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2(5):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:7.2(2.17):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2(2.17):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:7.2(2.19):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2(2.19):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:7.1(2.49):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:7.1(2.49):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:7.2(2.15):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2(2.15):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:7.2(2):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2(2):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:7.1(2):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:7.1(2):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:7.2(2.16):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2(2.16):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:7.2:*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:7.2(2.10):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2(2.10):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:7.2(2.7):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2(2.7):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:7.2(1.22):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2(1.22):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:7.1(5):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:7.1(5):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:7.2(3):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2(3):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:7.2(2.18):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2(2.18):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:7.0(0):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0(0):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:7.0(1):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0(1):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:7.0(2):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0(2):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:7.0:*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:7.0(5.2):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0(5.2):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:7.0(5):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0(5):*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 11, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:cisco:adaptive_security_appliance_software:7.0(4):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0(4):*:*:*:*:*:*:*
  • Initial Analysis by [email protected]

    Oct. 30, 2012

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2012-4643 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2012-4643 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.56 }} 0.00%

score

0.74333

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability
: