293 : IRIX Unprivileged xauthority Shared Memory Transport
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Info

Last Modified
about 1 year ago

Percent Complete
100%

Disclosure
Mar 14, 1995

Discovery
Unknown

Dates

Exploit
Mar 14, 1995

Solution
Unknown

Keywords

 No Keywords

Description

 IRIX contains a flaw that may allow a malicious user to gain access to unauthorized privileges. The issue is triggered when a malicious user disables xauthority and connects to the display using shm:0. This flaw may lead to a loss of integrity.

Classification

 Location: Local Access Required
Attack Type: Misconfiguration
Impact: Loss of Integrity
Exploit: Exploit Available
Disclosure: OSVDB Verified

Solution

 Currently, there are no known upgrades or patches to correct this issue. It is possible to correct the flaw by implementing the following workaround: Disable the use of the shared memory transport, by adding the -shmnumclients 0 option to the X invocation in /usr/lib/X11/xdm/Xservers (see the Xsgi man page).

Products
Silicon Graphics, Inc.
Watch-list
IRIX
Watch-list
 5.2
5.3

References

Credit
  • Paul Danckaert - pauldBrand New Doo Dooumbc.edu -

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