| Name | CVE-2004-0230 |
| Description | TCP, when using a large Window Size, makes it easier for remote attackers to guess sequence numbers and cause a denial of service (connection loss) to persistent TCP connections by repeatedly injecting a TCP RST packet, especially in protocols that use long-lived connections, such as BGP. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| NVD severity | medium |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| linux (PTS) | stretch | 4.9.228-1 | vulnerable |
| stretch (security) | 4.9.240-2 | vulnerable |
| buster | 4.19.146-1 | vulnerable |
| buster (security) | 4.19.152-1 | vulnerable |
| bullseye | 5.9.9-1 | vulnerable |
| sid | 5.9.11-1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| linux | source | (unstable) | (unfixed) | unimportant | | |
| linux-2.6 | source | (unstable) | (unfixed) | unimportant | | |
| linux-2.6.24 | source | (unstable) | (unfixed) | unimportant | | |
Notes
the attack works with a certain non-negligible probability, but even
when successful, it only causes a TCP disconnect, which will (in most
circumstances) be reestablished right away, causing essentially no impact