Mission and Overview
NVD is the U.S. government repository of standards based vulnerability management data. This data enables automation of vulnerability management, security measurement, and compliance (e.g. FISMA).
Resource Status
NVD contains:

Last updated: 7/13/2014 4:52:31 PM

CVE Publication rate: 15.37

Email List

NVD provides four mailing lists to the public. For information and subscription instructions please visit NVD Mailing Lists

Workload Index
Vulnerability Workload Index: 5.44
About Us
NVD is a product of the NIST Computer Security Division and is sponsored by the Department of Homeland Security's National Cyber Security Division. It supports the U.S. government multi-agency (OSD, DHS, NSA, DISA, and NIST) Information Security Automation Program. It is the U.S. government content repository for the Security Content Automation Protocol (SCAP).

National Cyber Awareness System

Vulnerability Summary for CVE-2012-4435

Original release date: 10/22/2012
Last revised: 11/24/2013


fwknop before 2.0.3 does not properly validate IP addresses, which allows remote authenticated users to cause a denial of service (server crash) via a long IP address.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.0 (MEDIUM) (AV:N/AC:L/Au:S/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Required to exploit
Impact Type: Allows disruption of service

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

External Source: CONFIRM
Name: http://www.cipherdyne.org/cgi-bin/gitweb.cgi?p=fwknop.git;a=commitdiff;h=263fa01f2af1d336961df320f1c7a9ea84ddac9a
Type: Patch Information; Exploit
External Source: CONFIRM
Name: http://www.cipherdyne.org/blog/2012/09/software-release-fwknop-2.0.3.html
Type: Advisory
External Source: CONFIRM
Name: http://www.cipherdyne.org/cgi-bin/gitweb.cgi?p=fwknop.git;a=commitdiff;h=f4c16bc47fc24a96b63105556b62d61c1ba7d799
Type: Patch Information; Exploit
External Source: XF
Name: fwknop-ipaddress-dos(79568)
External Source: MLIST
Name: [oss-security] 20120919 Re: CVE Request -- fwknop 2.0.3: Multiple security issues
External Source: MLIST
Name: [oss-security] 20120919 CVE Request -- fwknop 2.0.3: Multiple security issues
External Source: MLIST
Name: [oss-security] 20120919 Re: CVE Request -- fwknop 2.0.3: Multiple security issues

Technical Details

Vulnerability Type (View All)