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Vulnerability Details : CVE-2012-3955

ISC DHCP 4.1.x before 4.1-ESV-R7 and 4.2.x before 4.2.4-P2 allows remote attackers to cause a denial of service (daemon crash) in opportunistic circumstances by establishing an IPv6 lease in an environment where the lease expiration time is later reduced.
Publish Date : 2012-09-14 Last Update Date : 2013-08-21
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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 Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID CWE id is not defined for this vulnerability

- Related OVAL Definitions

Title Definition Id Class Family
DEPRECATED: ELSA-2013-0504 -- dhcp security and bug fix update (low) oval:org.mitre.oval:def:27444 unix
DSA-2551-1 isc-dhcp - denial of service oval:org.mitre.oval:def:18509 unix
ELSA-2013:0504: dhcp security and bug fix update (Low) oval:org.mitre.oval:def:23290 unix
RHSA-2013:0504: dhcp security and bug fix update (Low) oval:org.mitre.oval:def:20885 unix
RHSA-2013:0504: dhcp security and bug fix update (Low) oval:com.redhat.rhsa:def:20130504 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2012-3955

# Product Type Vendor Product Version Update Edition Language
1 Application ISC Dhcp 4.1-esv R5 Version Details Vulnerabilities
2 Application ISC Dhcp 4.1-esv R3 B1 Version Details Vulnerabilities
3 Application ISC Dhcp 4.1-esv R4 Version Details Vulnerabilities
4 Application ISC Dhcp 4.1-esv R3 Version Details Vulnerabilities
5 Application ISC Dhcp 4.1-esv R5 Rc2 Version Details Vulnerabilities
6 Application ISC Dhcp 4.1-esv R2 Version Details Vulnerabilities
7 Application ISC Dhcp 4.1-esv R5 Rc1 Version Details Vulnerabilities
8 Application ISC Dhcp 4.1-esv RC1 Version Details Vulnerabilities
9 Application ISC Dhcp 4.1-esv R6 Version Details Vulnerabilities
10 Application ISC Dhcp 4.1-esv R5 B1 Version Details Vulnerabilities
11 Application ISC Dhcp 4.1-esv Version Details Vulnerabilities
12 Application ISC Dhcp 4.1-esv R1 Version Details Vulnerabilities
13 Application ISC Dhcp 4.1.0 Version Details Vulnerabilities
14 Application ISC Dhcp 4.1.0 A1 Version Details Vulnerabilities
15 Application ISC Dhcp 4.1.0 A2 Version Details Vulnerabilities
16 Application ISC Dhcp 4.1.0 B1 Version Details Vulnerabilities
17 Application ISC Dhcp 4.1.1 Version Details Vulnerabilities
18 Application ISC Dhcp 4.1.1 RC1 Version Details Vulnerabilities
19 Application ISC Dhcp 4.1.1 B3 Version Details Vulnerabilities
20 Application ISC Dhcp 4.1.1 B2 Version Details Vulnerabilities
21 Application ISC Dhcp 4.1.1 B1 Version Details Vulnerabilities
22 Application ISC Dhcp 4.1.2 Version Details Vulnerabilities
23 Application ISC Dhcp 4.1.2 B1 Version Details Vulnerabilities
24 Application ISC Dhcp 4.1.2 P1 Version Details Vulnerabilities
25 Application ISC Dhcp 4.1.2 RC1 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
ISC Dhcp 25

- References For CVE-2012-3955
FEDORA FEDORA-2012-14149
SECTRACK 1027528
FEDORA FEDORA-2012-14076
SUSE openSUSE-SU-2012:1234
SUSE openSUSE-SU-2012:1254
SUSE openSUSE-SU-2012:1252
REDHAT RHSA-2013:0504
GENTOO GLSA-201301-06
BID 55530 ISC DHCP IPv6 Lease Expiration Handling Denial of Service Vulnerability Release Date:2013-03-11 CONFIRM

- Metasploit Modules Related To CVE-2012-3955

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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