GNUCash Insecure Temporary File Creation Vulnerability

BID:22610

Info

GNUCash Insecure Temporary File Creation Vulnerability

Bugtraq ID: 22610
Class: Race Condition Error
CVE: CVE-2007-0007
Remote: No
Local: Yes
Published: Jan 19 2007 12:00AM
Updated: Feb 28 2007 10:05PM
Credit: The vendor reported this vulnerability.
Vulnerable: Redhat Fedora Core6
Mandriva Linux Mandrake 2007.0 x86_64
Mandriva Linux Mandrake 2007.0
GNU GNUCash 2.0.4
Not Vulnerable: GNU GNUCash 2.0.5

Discussion

GNUCash Insecure Temporary File Creation Vulnerability

GNUCash creates temporary files in an insecure way.

An attacker with local access could potentially exploit this issue to perform symlink attacks, overwriting arbitrary files in the context of the affected application.

Successfully exploiting a symlink attack may allow an attacker to overwrite or corrupt sensitive files. This may result in a denial of service; other attacks may also be possible.

GNUCash 2.0.5 and prior versions are vulnerable to this issue.

Exploit / POC

GNUCash Insecure Temporary File Creation Vulnerability

An attacker uses readily available commands to exploit the issue.

Solution / Fix

GNUCash Insecure Temporary File Creation Vulnerability

Solution:
Please see the referenced vendor advisories for information on obtaining fixes.


Redhat Fedora Core6

GNU GNUCash 2.0.4

References

GNUCash Insecure Temporary File Creation Vulnerability

References:
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