Note: This is an archival copy of Security Sun Alert 201432 as previously published on http://sunsolve.sun.com.
Latest version of this security advisory is available from http://support.oracle.com as Sun Alert 1001080.1.
Article ID : 1001080.1
Article Type : Sun Alerts (SURE)
Last reviewed : 2004-01-05
Audience : PUBLIC
Copyright Notice: Copyright © 2010, Oracle Corporation and/or its affiliates.

Security Vulnerability With the Extended Library Function sendfilev(3EXT)



Category
Security

Release Phase
Resolved

Product
Solaris 9 Operating System
Solaris 8 Operating System

Bug Id
4725286

Date of Resolved Release
22-APR-2004

Impact

A local unprivileged user may be able to panic a system causing a Denial of Service due to a security vulnerability involving the sendfilev(3EXT) function.


Contributing Factors

This issue can occur in the following releases:

SPARC Platform

  • Solaris 8 without patch 108528-27
  • Solaris 9 without patch 112233-12

x86 Platform

  • Solaris 8 without patch 108529-27
  • Solaris 9 without patch 112234-12

Note: Solaris 7 is not impacted by this issue. Solaris 2.6 will not be evaluated regarding the potential impact of the issue described in this Sun Alert document.


Symptoms

If the described issue occurs, the panic stack trace will be similar to the following:

    vpanic(100548c0, 10416110, 300028fc550, 30002acb4e4, 30002acb4e0, 6c6c007300)
rw_panic+0x58(10416110, 300028fc550, 1, 300028fc550, 30002acb4e4, 1)
sendvec_chunk+0x354(19c, c, c, 1, 8058, 300028fc4a8)
sendvec+0x154(30001e8a5c0, 8f981094, 2a10066b7b0, 2a10066b930, 1, c)
sendfilev+0x118(c, c, 8f981094, 8f981094, 8f9810a4, 0)
syscall_trap32+0xa8(0, c, 8f981094, 1, 8f9810a4, f98154c4)


Workaround

There is no workaround. Please see the "Resolution" section below.


Resolution

This issue is addressed in the following releases:

SPARC Platform

  • Solaris 8 with patch 108528-27 or later
  • Solaris 9 with patch 112233-12 or later

x86 Platform

  • Solaris 8 with patch 108529-27 or later
  • Solaris 9 with patch 112234-12 or later


Modification History

References

108528-27
108529-27
112233-12
112234-12




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