PT-2012-5400 · Fwknop · Fwknop

Jan Lieskovsky · Published 2012-10-22 · Updated 2017-08-29 · CVE-2012-4435

Positive Technologies (AI Summary)

CVSS v2.0

4.0

Medium

Base vector

AV:N/AC:L/Au:S/C:N/I:N/A:P

Name of the Vulnerable Software and Affected Versions fwknop versions prior to 2.0.3

Description The issue allows remote authenticated users to cause a denial of service, resulting in a server crash, by providing a long IP address. This occurs due to improper validation of IP addresses.

Recommendations For versions prior to 2.0.3, update to version 2.0.3 or later to resolve the issue.

Exploit

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2012-4435

Affected Products

Fwknop

References · 13

• 🔥 http://cipherdyne.org/cgi-bin/gitweb.cgi?p=fwknop.git;a=commitdiff;h=f4c16bc47fc24a96b63105556b62d61c1ba7d799 · Exploit
• 🔥 http://cipherdyne.org/cgi-bin/gitweb.cgi?p=fwknop.git;a=commitdiff;h=263fa01f2af1d336961df320f1c7a9ea84ddac9a · Exploit
• https://osv.dev/vulnerability/DEBIAN-CVE-2012-4435 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2012-4435 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2012-4435 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2012-4435 · Vendor Advisory
• http://cipherdyne.org/blog/2012/09/software-release-fwknop-2.0.3.html · Vendor Advisory
• http://openwall.com/lists/oss-security/2012/09/20/4 · Note
• http://openwall.com/lists/oss-security/2012/09/20/2 · Note
• http://cipherdyne.org/cgi-bin/gitweb.cgi?p=fwknop.git%3Ba=commitdiff%3Bh=f4c16bc47fc24a96b63105556b62d61c1ba7d799 · Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/79568 · Note
• http://openwall.com/lists/oss-security/2012/09/19/2 · Note
• http://cipherdyne.org/cgi-bin/gitweb.cgi?p=fwknop.git%3Ba=commitdiff%3Bh=263fa01f2af1d336961df320f1c7a9ea84ddac9a · Note