293 : IRIX Unprivileged xauthority Shared Memory Transport
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
3	164	over 7 years ago	over 2 years ago	0 times	100%

Timeline

Disclosure Date	Exploit Publish Date
1995-03-14	1995-03-14

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 Public
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.	IRIX	5.2
		5.3

References

Mail List Post: http://archives.neohapsis.com/archives/bugtraq/1995_1/0673.html

Credit

Paul Danckaert - pauldumbc.edu -

CVSSv2 Score

We currently have no CVSS2 data on this vulnerability. Feel free to suggest it.

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