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To improve our services to our customers, we have made a number of
additions to the Secunia Advisories and have started translating the
advisories to German.

The improvements will help our customers to get a better
understanding of how we reached our conclusions, how it was rated,
our thoughts on exploitation, attack vectors, and scenarios.

This includes:
* Reason for rating
* Extended description
* Extended solution
* Exploit code or links to exploit code
* Deep links

Read the full description:
http://corporate.secunia.com/products/48/?r=l

Contact Secunia Sales for more information:
http://corporate.secunia.com/how_to_buy/15/?r=l

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TITLE:
Fedora Core ReiserFS sync Memory Corruption Vulnerability

SECUNIA ADVISORY ID:
SA23093

VERIFY ADVISORY:
http://secunia.com/advisories/23093/

CRITICAL:
Not critical

IMPACT:
DoS

WHERE:
Local system

OPERATING SYSTEM:
Fedora Core 6
http://secunia.com/product/12487/

DESCRIPTION:
LMH has reported a vulnerability in Fedora Core, which can be
exploited by malicious, local users to cause a DoS (Denial of
Service).

The vulnerability is caused due to a memory corruption error when
syncing malformed ReiserFS file systems. This can be exploited to
crash a system by mounting a specially crafted ReiserFS image.

The vulnerability is reported in Fedora Core 6. Other versions may
also be affected.

SOLUTION:
Allow only trusted users to mount images.

PROVIDED AND/OR DISCOVERED BY:
LMH

ORIGINAL ADVISORY:
http://projects.info-pull.com/mokb/MOKB-25-11-2006.html

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About:
This Advisory was delivered by Secunia as a free service to help
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Secunia NEVER sends attached files with advisories.
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