SunOS NFS large uid mismatch Vulnerability

BID:47

Info

SunOS NFS large uid mismatch Vulnerability

Bugtraq ID: 47
Class: Unknown
CVE:
Remote: Yes
Local: Unknown
Published: Jul 21 1992 12:00AM
Updated: Jul 21 1992 12:00AM
Credit: This issue was originally submitted in "CERT Advisory CA-1992-15 Multiple SunOS Vulnerabilities Patched".
Vulnerable: Sun SunOS 4.1.2
Sun SunOS 4.1.1
Sun SunOS 4.1 PSR_A
Sun SunOS 4.1
Not Vulnerable:

Discussion

SunOS NFS large uid mismatch Vulnerability

NFS server in which a client presenting a 32-bit uid in which the 16 low-order bits are 0 gets interpreted as root on the server. The impact of this issue is that it may allow an attacker to gain unauthorized privileges on a host.

This is Sun Bug ID 1095935.

Exploit / POC

SunOS NFS large uid mismatch Vulnerability

Currently the SecurityFocus staff are not aware of any exploits for this issue. If you feel we are in error or are aware of more recent information, please mail us at: [email protected].

Solution / Fix

SunOS NFS large uid mismatch Vulnerability

Solution:
Apply Sun Patch ID 100173-08.


Sun SunOS 4.1

Sun SunOS 4.1 PSR_A

Sun SunOS 4.1.1

Sun SunOS 4.1.2

References

SunOS NFS large uid mismatch Vulnerability

References:

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