Sympa 'sympa.pl' Insecure Temporary File Creation Vulnerability

BID:30727

Info

Sympa 'sympa.pl' Insecure Temporary File Creation Vulnerability

Bugtraq ID: 30727
Class: Design Error
CVE: CVE-2008-4476
Remote: No
Local: Yes
Published: Aug 13 2008 12:00AM
Updated: Oct 09 2009 08:39PM
Credit: Olivier Berger
Vulnerable: Sympa Sympa 5.4.3
Mandriva Linux Mandrake 2008.1 x86_64
Mandriva Linux Mandrake 2008.1
MandrakeSoft Enterprise Server 5 x86_64
MandrakeSoft Enterprise Server 5
MandrakeSoft Corporate Server 4.0 x86_64
MandrakeSoft Corporate Server 4.0
Not Vulnerable:

Discussion

Sympa 'sympa.pl' Insecure Temporary File Creation Vulnerability

Sympa creates temporary files in an insecure manner.

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

Successfully mounting a symlink attack may allow the attacker to delete or corrupt sensitive files, which may result in a denial of service. Other attacks may also be possible.

Sympa 5.4.3 is vulnerable; other versions may also be affected.

Exploit / POC

Sympa 'sympa.pl' Insecure Temporary File Creation Vulnerability

An attacker uses readily available commands to exploit this issue.

Solution / Fix

Sympa 'sympa.pl' Insecure Temporary File Creation Vulnerability

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


Mandriva Linux Mandrake 2008.1 x86_64

Mandriva Linux Mandrake 2008.1

MandrakeSoft Enterprise Server 5 x86_64

MandrakeSoft Corporate Server 4.0

MandrakeSoft Enterprise Server 5

MandrakeSoft Corporate Server 4.0 x86_64

References

Sympa 'sympa.pl' Insecure Temporary File Creation Vulnerability

References:
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