Note: This is an archival copy of Security Sun Alert 264730 as previously published on http://sunsolve.sun.com.
Latest version of this security advisory is available from http://support.oracle.com as Sun Alert 1020780.1.
Article ID : 1020780.1
Article Type : Sun Alerts (SURE)
Last reviewed : 2009-12-02
Audience : PUBLIC
Copyright Notice: Copyright © 2010, Oracle Corporation and/or its affiliates.

A Security Vulnerability in Solaris Sockets Direct Protocol (SDP) Driver (sdp(7D)) may Allow Users to Exhaust Kernel Memory



Category
Security

Category
Availability

Release Phase
Resolved

Bug Id
6648139

Product
Solaris 10 Operating System
OpenSolaris

Date of Resolved Release
02-Nov-2009

A security vulnerability in Solaris Sockets Direct Protocol (SDP) driver (sdp(7D)):

1. Impact

A security vulnerability in Solaris Sockets Direct Protocol (SDP) driver (sdp(7D)) may allow a local or remote unprivileged user to exhaust all kernel memory.  This is a type of Denial of Service (DoS).

Note: No applications bundled with Solaris are affected by this issue however third-party applications which make use of SDP may be affected.

2. Contributing Factors

This issue can occur in the following releases:

SPARC Platform
  • Solaris 10 with patch 127127-11 and without patch 141444-09
  • OpenSolaris based upon builds snv_57 through snv_94
x86 Platform
  • Solaris 10 with patch 127128-11 and without patch 141445-09
  • OpenSolaris based upon builds snv_57 through snv_94
Note 1: Solaris 8 and Solaris 9 are not impacted by this issue.

Note 2: OpenSolaris distributions may include additional bug fixes above and beyond the build from which it was derived.  To determine the base build of OpenSolaris, the following command can be used:
    $ uname -v
snv_111
Note 3: This issue only affects applications written to use the Sockets Direct Protocol (SDP) driver. No applications shipped with Solaris are affected by this issue. To determine if Solaris Sockets Direct Protocol (SDP) is enabled, execute the following command:
    $ sdpadm status
SDP is Enabled
3. Symptoms

There are no predictable symptoms that would indicate the described vulnerability has been exploited.

4. Workaround

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

5. Resolution

This issue is addressed in the following releases:

SPARC Platform
  • Solaris 10 with patch 141444-09 or later
  • OpenSolaris based upon builds snv_95 or later
x86 Platform
  • Solaris 10 with patch 141445-09 or later
  • OpenSolaris based upon builds snv_95 or later
For more information on Security Sun Alerts, see 1009886.1.

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Modification History
02-Dec-2009: Updated Contributing Factors section.


References

141444-09
141445-09





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