GnuCash multiple temporary files symlink

gnucash-symlink (32558)

Medium Risk

Description:

GnuCash could allow a local attacker to launch a symlink attack. GnuCash creates temporary files insecurely. A local attacker could exploit this vulnerability to create or overwrite arbitrary files on the system with the privileges of the user.

*CVSS:

Base Score:	2.6
Access Vector:	Local
Access Complexity:	High
Authentication:	Not Required
Confidentiality Impact:	None
Integrity Impact:	Partial
Availability Impact:	Partial
Temporal Score:	2.3
Exploitability:	High
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

File Manipulation

Remedy:

Upgrade to the latest version of GnuCash (2.0.5 or later), available from the GnuCash Web site. See References.

For Mandriva Linux (gnucash):
Refer to MDKSA-2007:046 for patch, upgrade, or suggested workaround information. See References.

References:

• GnuCash Web site: Open Source Accounting Software | GnuCash.
• SourceForge.net: Gnucash - File Release Notes and Changelog- Release Name: 2.0.5.
• BID-22610: GNUCash Insecure Temporary File Creation Vulnerability
• CVE-2007-0007: gnucash 2.0.4 and earlier allows local users to overwrite arbitrary files via a symlink attack on the (1) gnucash.trace, (2) qof.trace, and (3) qof.trace.[PID] temporary files.
• SA24225: GnuCash Insecure Temporary Files
• VUPEN/ADV-2007-0653: GnuCash Unspecified Script Insecure Local Temporary File Creation Vulnerability

Platforms Affected:

• GnuCash Project GnuCash prior to 2.0.5
• MandrakeSoft Mandrake Linux 2007
• MandrakeSoft Mandrake Linux 2007 X86_64

Reported:

Feb 19, 2007

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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