Solaris 8 systems that accept IPv6 traffic may be subject to denial of service attacks from arbitrary remote attackers.
Sun Microsystems has reported that systems running Solaris 8 may encounter a system panic in response to IPv6 packets with certain characteristics. Sun Alert Notification 55301 does not provide any information about the characteristics of the offending packet, so it may be possible to exploit this vulnerability with valid IPv6 traffic. Sun Microsystems reports that this vulnerability does not affect systems running Solaris 2.6, Solaris 7, and Solaris 9.
For additional information, please read the Sun Alert Notification 55301, available at:
This vulnerability allows arbitrary remote attackers to conduct denial of service attacks on affected systems.
Apply a patch
Sun Microsystems has provided the following patches to address this vulnerability:
As a general rule, the CERT/CC recommends that users and site administrators disable any services that are not required. For information on disabling IPv6 on affected Solaris systems, please read the "Relief/Workaround" section of Sun Alert Notification 55301.
Vendor| Status| Date Notified| Date Updated
Sun Microsystems Inc.| | 21 Jul 2003| 23 Jul 2003
If you are a vendor and your product is affected, let us know.
Group | Score | Vector
Base | N/A | N/A
Temporal | N/A | N/A
Environmental | N/A | N/A
This document was written by Jeffrey P. Lanza and is based on information provided by Sun Microsystems.