| Name | CVE-2011-2393 |
| Description | The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in FreeBSD, NetBSD, and possibly other BSD-based operating systems allows remote attackers to cause a denial of service (CPU consumption and device hang) by sending many Router Advertisement (RA) messages with different source addresses, a similar vulnerability to CVE-2010-4670. |
| Source | CVE (at NVD; oss-sec, fulldisc, OSVDB, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, more) |
| NVD severity | high (attack range: remote) |
| Debian Bugs | 684072 |
| Debian/oldstable | package kfreebsd-8 is vulnerable. |
| Debian/stable | packages kfreebsd-8, kfreebsd-9 are vulnerable. |
| Debian/testing | package kfreebsd-10 is vulnerable. |
| Debian/unstable | package kfreebsd-10 is vulnerable. |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| kfreebsd-10 (PTS) | jessie, sid | 10.1~svn274115-3 | vulnerable |
| kfreebsd-8 (PTS) | squeeze | 8.1+dfsg-8+squeeze4 | vulnerable |
| squeeze (security) | 8.1+dfsg-8+squeeze3 | vulnerable | |
| wheezy | 8.3-6+deb7u1 | vulnerable | |
| kfreebsd-9 (PTS) | wheezy | 9.0-10+deb70.7 | vulnerable |
| wheezy (security) | 9.0-10+deb70.9 | vulnerable |
The information above is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| kfreebsd-10 | source | (unstable) | (unfixed) | low | ||
| kfreebsd-7 | source | (unstable) | (unfixed) | low | ||
| kfreebsd-8 | source | (unstable) | (unfixed) | low | ||
| kfreebsd-9 | source | (unstable) | (unfixed) | low | 684072 |
[squeeze] - kfreebsd-8 <no-dsa> (Minor issue)
[wheezy] - kfreebsd-8 <no-dsa> (Minor issue)
[squeeze] - kfreebsd-9 <no-dsa> (Minor issue)
[wheezy] - kfreebsd-9 <no-dsa> (Minor issue)
[jessie] - kfreebsd-10 <no-dsa> (Minor issue)
http://www.mh-sec.de/downloads/mh-RA_flooding_CVE-2010-multiple.txt