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TITLE:
lighttpd File Descriptor Array Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA29066

VERIFY ADVISORY:
http://secunia.com/advisories/29066/

CRITICAL:
Moderately critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
lighttpd 1.x
http://secunia.com/product/4661/

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

The vulnerability is caused due to a calculation error when
allocating the global file descriptor array and can be exploited to
crash an affected server.

The vulnerability is reported in version 1.4.18. Other versions may
also be affected.

SOLUTION:
A temporary patch is available.
http://trac.lighttpd.net/trac/attachment/ticket/1562/Fix-372-and-1562.patch

Restrict network access to the service.

PROVIDED AND/OR DISCOVERED BY:
fdeletang

ORIGINAL ADVISORY:
http://trac.lighttpd.net/trac/ticket/1562

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About:
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