Vulnerability Description
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 Score
4.0
MEDIUM
AV:N/AC:L/Au:S/C:N/I:N/A:P
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cipherdyne | Fwknop | <= 2.0.2 |
Related Weaknesses (CWE)
References
- http://www.cipherdyne.org/blog/2012/09/software-release-fwknop-2.0.3.htmlVendor Advisory
- http://www.cipherdyne.org/cgi-bin/gitweb.cgi?p=fwknop.git%3Ba=commitdiff%3Bh=263
- http://www.cipherdyne.org/cgi-bin/gitweb.cgi?p=fwknop.git%3Ba=commitdiff%3Bh=f4c
- http://www.openwall.com/lists/oss-security/2012/09/19/2
- http://www.openwall.com/lists/oss-security/2012/09/20/2
- http://www.openwall.com/lists/oss-security/2012/09/20/4
- https://exchange.xforce.ibmcloud.com/vulnerabilities/79568
- http://www.cipherdyne.org/blog/2012/09/software-release-fwknop-2.0.3.htmlVendor Advisory
- http://www.cipherdyne.org/cgi-bin/gitweb.cgi?p=fwknop.git%3Ba=commitdiff%3Bh=263
- http://www.cipherdyne.org/cgi-bin/gitweb.cgi?p=fwknop.git%3Ba=commitdiff%3Bh=f4c
- http://www.openwall.com/lists/oss-security/2012/09/19/2
- http://www.openwall.com/lists/oss-security/2012/09/20/2
- http://www.openwall.com/lists/oss-security/2012/09/20/4
- https://exchange.xforce.ibmcloud.com/vulnerabilities/79568
FAQ
What is CVE-2012-4435?
CVE-2012-4435 is a vulnerability with a CVSS score of 4.0 (MEDIUM). 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.
How severe is CVE-2012-4435?
CVE-2012-4435 has been rated MEDIUM with a CVSS base score of 4.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2012-4435?
Check the references section above for vendor advisories and patch information. Affected products include: Cipherdyne Fwknop.