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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