Roaring Penguin PPPoE Arbitrary File Overwrite Vulnerability

BID:11315

Info

Roaring Penguin PPPoE Arbitrary File Overwrite Vulnerability

Bugtraq ID: 11315
Class: Design Error
CVE: CVE-2004-0564
Remote: No
Local: Yes
Published: Oct 04 2004 12:00AM
Updated: Jul 12 2009 07:06AM
Credit: Discovery of this issue is credited to Max Vozeler.
Vulnerable: Roaring Penguin Software PPPoE 3.5
+ MandrakeSoft Corporate Server 2.1 x86_64
 + MandrakeSoft Corporate Server 2.1
+ Mandriva Linux Mandrake 10.1 x86_64
 + Mandriva Linux Mandrake 10.1
+ Mandriva Linux Mandrake 10.0 AMD64
 + Mandriva Linux Mandrake 10.0
+ Mandriva Linux Mandrake 9.2 amd64
 + Mandriva Linux Mandrake 9.2
Roaring Penguin Software PPPoE 3.3
+ MandrakeSoft Multi Network Firewall 2.0
Roaring Penguin Software PPPoE 3.0
Redhat Linux 9.0 i386
Redhat Linux 7.3 i686
Redhat Fedora Core1
Debian Linux 3.0 sparc
Debian Linux 3.0 s/390
Debian Linux 3.0 ppc
Debian Linux 3.0 mipsel
Debian Linux 3.0 mips
Debian Linux 3.0 m68k
Debian Linux 3.0 ia-64
Debian Linux 3.0 ia-32
Debian Linux 3.0 hppa
Debian Linux 3.0 arm
Debian Linux 3.0 alpha
Debian Linux 3.0
Not Vulnerable:

Discussion

Roaring Penguin PPPoE Arbitrary File Overwrite Vulnerability

Roaring Penguin PPPoE is vulnerable to a local arbitrary file overwrite vulnerability. This issue is due to a failure of the affected driver to properly validate the existence of temporary files prior to writing to them.

An attacker may exploit this vulnerability to overwrite any file on the affected computer if the setuid superuser bit is set privileges. It should be noted that this application is not installed with the setuid bit set by default.

The author has stated that the package is not designed to be configured with setuid privileges, and that vendors distributing this package installed in such a manor should immediately correct the situation.

Exploit / POC

Roaring Penguin PPPoE Arbitrary File Overwrite Vulnerability

No exploit is required to leverage this issue.

Solution / Fix

Roaring Penguin PPPoE Arbitrary File Overwrite Vulnerability

Solution:
Debian Linux has released an advisory (DSA 557-1) along with fixes dealing with this issue. Please see the referenced advisory for more information.

MandrakeSoft has issued an advisory (MDKSA-2004:145) along with patched upgrades. Please see the referenced advisory for more information.

Redhat has released an advisory (FLSA:152794 along with fixes dealing with this issue. Please see the referenced advisory for more information.


Roaring Penguin Software PPPoE 3.3

Roaring Penguin Software PPPoE 3.5

References

Roaring Penguin PPPoE Arbitrary File Overwrite Vulnerability

References:

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