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本帖最后由 用户名 于 2013-5-8 04:42 编辑

Hello!
Greg MacManus, of iSIGHT Partners Labs, found a security problem
in several recent versions of nginx.  A stack-based buffer
overflow might occur in a worker process while handling a
specially crafted request, potentially resulting in arbitrary code
execution (CVE-2013-2028).
The problem affects nginx 1.3.9 - 1.4.0.
The problem is fixed in nginx 1.5.0, 1.4.1.
Patch for the problem can be found here:
http://nginx.org/download/patch.2013.chunked.txt
As a temporary workaround the following configuration
can be used in each server{} block:
if ($http_transfer_encoding ~* chunked) {
return 444;
}

Changes with nginx 1.5.0 07 May 2013
*) Security: a stack-based buffer overflow might occur in a worker
process while handling a specially crafted request, potentially
resulting in arbitrary code execution (CVE-2013-2028); the bug had
appeared in 1.3.9.
Thanks to Greg MacManus, iSIGHT Partners Labs.


Changes with nginx 1.4.1 07 May 2013
*) Security: a stack-based buffer overflow might occur in a worker
process while handling a specially crafted request, potentially
resulting in arbitrary code execution (CVE-2013-2028); the bug had
appeared in 1.3.9.
Thanks to Greg MacManus, iSIGHT Partners Labs.

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