| Name | CVE-2012-4435 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 688151 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| fwknop (PTS) | buster | 2.6.10-2 | fixed |
| bullseye | 2.6.10-12 | fixed |
| bookworm | 2.6.10-16 | fixed |
| sid | 2.6.10-20.2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| fwknop | source | squeeze | (not affected) | | | |
| fwknop | source | wheezy | 2.0.0rc2-2+deb7u1 | | | |
| fwknop | source | (unstable) | 2.0.3-1 | | | 688151 |
Notes
[squeeze] - fwknop <not-affected> (Vulnerable code not present)
http://seclists.org/oss-sec/2012/q3/509
http://www.cipherdyne.org/cgi-bin/gitweb.cgi?p=fwknop.git;a=commitdiff;h=f4c16bc47fc24a96b63105556b62d61c1ba7d799