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Vulnerability Details : CVE-2010-2156 (1 public exploit)

ISC DHCP 4.1 before 4.1.1-P1 and 4.0 before 4.0.2-P1 allows remote attackers to cause a denial of service (server exit) via a zero-length client ID.
Publish Date : 2010-06-07 Last Update Date : 2017-08-16
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 189

- Products Affected By CVE-2010-2156

# Product Type Vendor Product Version Update Edition Language
1 Application ISC Dhcp 4.0.0 Version Details Vulnerabilities
2 Application ISC Dhcp 4.0.1 RC1 Version Details Vulnerabilities
3 Application ISC Dhcp 4.0.1 Version Details Vulnerabilities
4 Application ISC Dhcp 4.0.1 B1 Version Details Vulnerabilities
5 Application ISC Dhcp 4.0.2 RC1 Version Details Vulnerabilities
6 Application ISC Dhcp 4.0.2 Version Details Vulnerabilities
7 Application ISC Dhcp 4.0.2 B1 Version Details Vulnerabilities
8 Application ISC Dhcp 4.0.2 B2 Version Details Vulnerabilities
9 Application ISC Dhcp 4.0.2 B3 Version Details Vulnerabilities
10 Application ISC Dhcp 4.1.0 Version Details Vulnerabilities
11 Application ISC Dhcp 4.1.1 B1 Version Details Vulnerabilities
12 Application ISC Dhcp 4.1.1 B2 Version Details Vulnerabilities
13 Application ISC Dhcp 4.1.1 B3 Version Details Vulnerabilities
14 Application ISC Dhcp 4.1.1 RC1 Version Details Vulnerabilities
15 Application ISC Dhcp 4.1.1 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
ISC Dhcp 15

- References For CVE-2010-2156
XF dhcp-zero-length-dos(59222) CONFIRM
BID 40775 ISC DHCP Server "find_length()" Zero-Length Client Identifier Remote Denial Of Service Vulnerability Release Date:2010-07-05
SECTRACK 1024093
EXPLOIT-DB 14185 ISC-DHCPD Denial of Service Author:sid Release Date:2010-07-03 (multiple) dos CONFIRM

- Metasploit Modules Related To CVE-2010-2156

ISC DHCP Zero Length ClientID Denial of Service Module
This module performs a Denial of Service Attack against the ISC DHCP server, versions 4.1 before 4.1.1-P1 and 4.0 before 4.0.2-P1. It sends out a DHCP Request message with a 0-length client_id option for an IP address on the appropriate range for the dhcp server. When ISC DHCP Server tries to hash this value it exits abnormally.
Module type : auxiliary Rank : normal

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