Note: This is an archival copy of Security Sun Alert 236521 as previously published on http://sunsolve.sun.com.
Latest version of this security advisory is available from http://support.oracle.com as Sun Alert 1019177.1.
Article ID : 1019177.1
Article Type : Sun Alerts (SURE)
Last reviewed : 2008-05-01
Audience : PUBLIC
Copyright Notice: Copyright © 2010, Oracle Corporation and/or its affiliates.

A Security Vulnerability in Solaris 10 Involving the SCTP Protocol May Result in a Denial of Network Services Due to Network Flooding



Category
Security

Release Phase
Resolved

Bug Id
6340684

Product
Solaris 10 Operating System

Date of Resolved Release
02-May-2008

A Security Vulnerability in Solaris 10 Involving the SCTP Protocol

1. Impact

A security vulnerability in Solaris 10 related to the SCTP protocol (see sctp(7P)) may allow a local or remote unprivileged user to cause significant performance degradation or hang the system or network devices, resulting in a Denial of Service (DoS) condition.

2. Contributing Factors

This issue can occur in the following releases:

SPARC Platform
  • Solaris 10 without patch 127127-08
x86 Platform
  • Solaris 10 without patch 127128-08

3. Symptoms

If the described issue occurs, excessive network traffic is generated in response to certain incoming SCTP packets (see sctp(7P))  which should be ignored. This may result in the flooding of the network.

4. Workaround

There is no workaround for this issue. Please see the Resolution section below.

5. Resolution

This issue is resolved in the following releases:

SPARC Platform
  • Solaris 10 with patch 127127-08 or later
x86 Platform
  • Solaris 10 with patch 127128-08 or later
For more information on Security Sun Alerts, see 1009886.1

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References

127127-08
127128-08





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