[arch-security] [ASA-201606-1] nginx: denial of service

[Levente Polyak]

Arch Linux Security Advisory ASA-201606-1
=========================================

Severity: Medium
Date    : 2016-06-01
CVE-ID  : CVE-2016-4450
Package : nginx
Type    : denial of service
Remote  : Yes
Link    : https://wiki.archlinux.org/index.php/CVE

Summary
=======

The package nginx before version 1.10.1-1 is vulnerable to denial of
service.

Resolution
==========

Upgrade to 1.10.1-1.

# pacman -Syu "nginx>=1.10.1-1"

The problem has been fixed upstream in version 1.10.1.

Workaround
==========

None.

Description
===========

A vulnerability was found in nginx code responsible for saving client
request body to a temporary file. A specially crafted request might
result in worker process crash due to a NULL pointer dereference while
handling the client request body.

Impact
======

A remote attacker is able to use a specially crafted request to crash
the worker resulting in denial of service.

References
==========

http://mailman.nginx.org/pipermail/nginx-announce/2016/000179.html
https://access.redhat.com/security/cve/CVE-2016-4450

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