Gnash Insecure Temporary File Creation Vulnerability

BID:45102

Info

Gnash Insecure Temporary File Creation Vulnerability

Bugtraq ID: 45102
Class: Design Error
CVE: CVE-2010-4337
Remote: No
Local: Yes
Published: Nov 29 2010 12:00AM
Updated: Apr 13 2015 09:14PM
Credit: Jakub Wilk
Vulnerable: GNU Gnash 0.8.8
Debian Linux 6.0 sparc
Debian Linux 6.0 s/390
Debian Linux 6.0 powerpc
Debian Linux 6.0 mips
Debian Linux 6.0 ia-64
Debian Linux 6.0 ia-32
Debian Linux 6.0 arm
Debian Linux 6.0 amd64
Not Vulnerable:

Discussion

Gnash Insecure Temporary File Creation Vulnerability

Gnash creates temporary files in an insecure manner.

An attacker with local access could potentially exploit this issue to perform symbolic-link attacks.

Successfully mounting a symlink attack may allow the attacker to corrupt sensitive files or gain access to sensitive information. Other attacks may also be possible.

Gnash 0.8.8 is vulnerable; other versions may also be affected.

Exploit / POC

Gnash Insecure Temporary File Creation Vulnerability

An attacker uses readily available commands to exploit this issue.

Solution / Fix

Gnash Insecure Temporary File Creation Vulnerability

Solution:
Updates are available. Please see the references for more information.

References

Gnash Insecure Temporary File Creation Vulnerability

References:

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