Microsoft Virtual PC For Mac Temporary File Privilege Escalation Vulnerability

BID:9632

Info

Microsoft Virtual PC For Mac Temporary File Privilege Escalation Vulnerability

Bugtraq ID: 9632
Class: Input Validation Error
CVE:
Remote: No
Local: Yes
Published: Feb 10 2004 12:00AM
Updated: Feb 10 2004 12:00AM
Credit: The disclosure of this issue has been credited to George Gal of @stake.
Vulnerable: Microsoft Virtual PC for Mac 6.0.2
Microsoft Virtual PC for Mac 6.0.1
Microsoft Virtual PC for Mac 6.1
Microsoft Virtual PC for Mac 6.0
Not Vulnerable: Microsoft Virtual PC for Mac 6.1.1

Discussion

Microsoft Virtual PC For Mac Temporary File Privilege Escalation Vulnerability

Microsoft has reported an issue in Virtual PC for Mac that may permit a local attacker to gain elevated privileges on a system hosting the software.

This is due to insecure handling of temporary files by the setuid root VirtualPC_Services binary, potentially permitting a malicious local user to create a malicious symbolic link in place of the temporary file, which would result in corruption of files or a malicious local user gaining root privileges on the system.

Exploit / POC

Microsoft Virtual PC For Mac Temporary File Privilege Escalation Vulnerability

There is no exploit required.

Solution / Fix

Microsoft Virtual PC For Mac Temporary File Privilege Escalation Vulnerability

Solution:
Microsoft has released MS04-005, which includes updates to address this issue.


Microsoft Virtual PC for Mac 6.0

Microsoft Virtual PC for Mac 6.1

Microsoft Virtual PC for Mac 6.0.1

Microsoft Virtual PC for Mac 6.0.2

References

Microsoft Virtual PC For Mac Temporary File Privilege Escalation Vulnerability

References:
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