Category
Security
Release Phase
Resolved
Bug Id
6728790
ProductSun Java System Calendar Server 6.3
Date of Resolved Release01-Apr-2009
Security Vulnerability in Sun Java System Calendar Server 6.3 May Allow Denial of Service (DoS):
1. Impact
A security vulnerability in Sun Java System Calendar Server 6.3 may
allow a remote unprivileged user to crash the Calendar Server. This is
a type of Denial of Service (DoS).
2. Contributing Factors
This issue can occur in the following releases:
SPARC Platform
- Sun Java System Calendar Server 6.3 without patch 121657-30
x86 Platform
- Sun Java System Calendar Server 6.3 without patch 121658-30
Linux
- Sun Java System Calendar Server 6.3 without patch 121659-30
Note: Sun Java System Calender Server versions prior to 6.3 are not impacted by this issue.
To determine the version
of Sun Java System Calendar Server on a system, the following command
can be run:
$ csversion
Sun Java(tm) System Calendar Server 6.3-7.01 (built Feb 20 2008)
SunOS "testhost" 5.10 Generic_118833-36 sun4u sparc SUNW,A70
3.
Symptoms
If this issue is exploited to cause a Denial of Service (DoS),
the Calendar Server will no longer be running on the system. This can be determined using a command such as the following, which will produce no
output if the process has crashed:
$ pgrep cshttpd
Depending on the system configuration, the Calendar Server process may
leave a crash dump with a stack trace similar to the following:
----------------- lwp# 4 / thread# 4 --------------------
ff05ff40 shtml_finishlogin (...) + 160
0001dff4 cmd_login (...) + 364
00017f78 cshttpd_post_cb (...) + 470
fed8ff88 cmd_post (...) + 1b8
fed8f2a8 cmd_exec (...) + da8
fed8d8cc cmdloop (...) + 3bc
fed8c4f0 sock_readable (...) + 2f0
feb45564 GDispCx_Dispatch (...) + 174
feb45b78 GDispCx_InternalWork (...) + 3e0
fe7c04f4 _lwp_start (...)
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
- Sun Java System Calendar Server 6.3 with patch 121657-30 or later
x86 Platform
- Sun Java System Calendar Server 6.3 with patch 121658-30 or later
Linux
- Sun Java System Calendar Server 6.3 with patch 121659-30 or later
For more information
on Security Sun Alerts, see 1009886.1.
This Sun
Alert notification is being provided to you on
an "AS IS"
basis. This Sun Alert notification may contain information provided by
third parties. The issues described in this Sun Alert notification may
or may not impact your system(s). Sun makes no representations,
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AND ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
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Copyright 2000-2009 Sun Microsystems, Inc., 4150 Network Circle,
Santa
Clara, CA 95054 U.S.A. All rights reserved.Modification History
06-Apr-2009: Updated Contributing Factors and Resolution sections
References
121657-30
121658-30
121659-30
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