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TITLE:
Django "i18n" Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA27435

VERIFY ADVISORY:
http://secunia.com/advisories/27435/

CRITICAL:
Less critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
Django 0.x
http://secunia.com/product/13287/

DESCRIPTION:
A vulnerability has been reported in Django, which potentially can be
exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to the Django internationalization
system ("i18n") incorrectly processing HTTP headers. This can be
exploited to allocate large amounts of memory by sending specially
crafted HTTP "Accept-Language" requests.

Successful exploitation requires that the "USE_I18N" option and the
"i18n" middleware component are enabled.

The vulnerability is reported in version  0.91, 0.95, 0.95.1 and 
0.96.

SOLUTION:
Update to 0.91.1, 0.95.2 or 0.96.1, or apply patches:
http://media.djangoproject.com/patches/2007-10-26-security-fix/

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
http://www.djangoproject.com/weblog/2007/oct/26/security-fix/

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
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Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
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use those supplied by the vendor.

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