Note: This is an archival copy of Security Sun Alert 266348 as previously published on http://sunsolve.sun.com.|
Latest version of this security advisory is available from http://support.oracle.com as Sun Alert 1020866.1.
Solaris 8 Operating System
Solaris 9 Operating System
Solaris 10 Operating System
Date of Workaround Release
Date of Resolved Release
A heap overflow vulnerability in the w(1) utility:
A heap overflow vulnerability in the w(1) utility may allow a local unprivileged user to execute arbitrary code with root privileges.
Sun acknowledges with thanks, Monarch Rich "1c239c43f521145fa8385d64a9c32243 http://unsecurityresearch.blogspot.com" for discovering and reporting this issue.
2. Contributing Factors
This issue can occur in the following releases:
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
There are no predictable symptoms to indicate that this issue has been exploited to execute arbitrary code with root privileges.
There is no workaround for this issue. Please see the Resolution section below.
This issue is addressed in the following releases:
Copyright 2000-2009 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, CA 95054 U.S.A. All rights reserved.
02-Nov-2009: Updated Contributing Factors and Resolution sections. Resolved
This solution has no attachment